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Finding the Fourth Proportional to 437,755.36, 656,151.88 and 171,466.24

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Solution

The fourth proportional to 437,755.36, 656,151.88 and 171,466.24 is: 257,010.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,755.36 : 656,151.88 = 171,466.24 : x
  2. Step 2: Convert to fraction form
    437,755.36/656,151.88 = 171,466.24/x
  3. Step 3: Cross multiply
    437,755.36x = 656,151.88 × 171,466.24
  4. Step 4: Simplify right side
    437,755.36x = 112,507,895,732.53
  5. Step 5: Solve for x
    x = 112,507,895,732.53/437,755.36
  6. Step 6: Final answer
    x = 257,010.89

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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.