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Finding the Fourth Proportional to 550,117.40, 825,176.10 and 266,026.10

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Solution

The fourth proportional to 550,117.40, 825,176.10 and 266,026.10 is: 399,039.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,117.40 : 825,176.10 = 266,026.10 : x
  2. Step 2: Convert to fraction form
    550,117.40/825,176.10 = 266,026.10/x
  3. Step 3: Cross multiply
    550,117.40x = 825,176.10 × 266,026.10
  4. Step 4: Simplify right side
    550,117.40x = 219,518,379,696.21
  5. Step 5: Solve for x
    x = 219,518,379,696.21/550,117.40
  6. Step 6: Final answer
    x = 399,039.15

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Similar ratio
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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.