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Finding the Fourth Proportional to 550,186.22, 825,279.34 and 363,153.98

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Solution

The fourth proportional to 550,186.22, 825,279.34 and 363,153.98 is: 544,730.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,186.22 : 825,279.34 = 363,153.98 : x
  2. Step 2: Convert to fraction form
    550,186.22/825,279.34 = 363,153.98/x
  3. Step 3: Cross multiply
    550,186.22x = 825,279.34 × 363,153.98
  4. Step 4: Simplify right side
    550,186.22x = 299,703,476,932.77
  5. Step 5: Solve for x
    x = 299,703,476,932.77/550,186.22
  6. Step 6: Final answer
    x = 544,730.98

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.