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Finding the Fourth Proportional to 437,557.60, 656,336.40 and 400,159.90

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Solution

The fourth proportional to 437,557.60, 656,336.40 and 400,159.90 is: 600,239.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,557.60 : 656,336.40 = 400,159.90 : x
  2. Step 2: Convert to fraction form
    437,557.60/656,336.40 = 400,159.90/x
  3. Step 3: Cross multiply
    437,557.60x = 656,336.40 × 400,159.90
  4. Step 4: Simplify right side
    437,557.60x = 262,639,508,190.36
  5. Step 5: Solve for x
    x = 262,639,508,190.36/437,557.60
  6. Step 6: Final answer
    x = 600,239.85

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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.