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Finding the Fourth Proportional to 357,279.16, 535,218.06 and 207,204.16

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Solution

The fourth proportional to 357,279.16, 535,218.06 and 207,204.16 is: 310,399.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,279.16 : 535,218.06 = 207,204.16 : x
  2. Step 2: Convert to fraction form
    357,279.16/535,218.06 = 207,204.16/x
  3. Step 3: Cross multiply
    357,279.16x = 535,218.06 × 207,204.16
  4. Step 4: Simplify right side
    357,279.16x = 110,899,408,539.13
  5. Step 5: Solve for x
    x = 110,899,408,539.13/357,279.16
  6. Step 6: Final answer
    x = 310,399.88

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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.