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Finding the Fourth Proportional to 437,599.43, 656,136.63 and 171,042.47

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Solution

The fourth proportional to 437,599.43, 656,136.63 and 171,042.47 is: 256,461.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,599.43 : 656,136.63 = 171,042.47 : x
  2. Step 2: Convert to fraction form
    437,599.43/656,136.63 = 171,042.47/x
  3. Step 3: Cross multiply
    437,599.43x = 656,136.63 × 171,042.47
  4. Step 4: Simplify right side
    437,599.43x = 112,227,226,571.99
  5. Step 5: Solve for x
    x = 112,227,226,571.99/437,599.43
  6. Step 6: Final answer
    x = 256,461.09

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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.