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Finding the Fourth Proportional to 437,876.96, 657,061.40 and 238,211.28

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Solution

The fourth proportional to 437,876.96, 657,061.40 and 238,211.28 is: 357,450.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,876.96 : 657,061.40 = 238,211.28 : x
  2. Step 2: Convert to fraction form
    437,876.96/657,061.40 = 238,211.28/x
  3. Step 3: Cross multiply
    437,876.96x = 657,061.40 × 238,211.28
  4. Step 4: Simplify right side
    437,876.96x = 156,519,437,132.59
  5. Step 5: Solve for x
    x = 156,519,437,132.59/437,876.96
  6. Step 6: Final answer
    x = 357,450.73

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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.