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Finding the Fourth Proportional to 351,491.40, 527,237.10 and 337,713.30

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Solution

The fourth proportional to 351,491.40, 527,237.10 and 337,713.30 is: 506,569.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,491.40 : 527,237.10 = 337,713.30 : x
  2. Step 2: Convert to fraction form
    351,491.40/527,237.10 = 337,713.30/x
  3. Step 3: Cross multiply
    351,491.40x = 527,237.10 × 337,713.30
  4. Step 4: Simplify right side
    351,491.40x = 178,054,980,923.43
  5. Step 5: Solve for x
    x = 178,054,980,923.43/351,491.40
  6. Step 6: Final answer
    x = 506,569.95

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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.