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Finding the Fourth Proportional to 437,737.40, 656,120.10 and 171,409.40

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Solution

The fourth proportional to 437,737.40, 656,120.10 and 171,409.40 is: 256,923.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,737.40 : 656,120.10 = 171,409.40 : x
  2. Step 2: Convert to fraction form
    437,737.40/656,120.10 = 171,409.40/x
  3. Step 3: Cross multiply
    437,737.40x = 656,120.10 × 171,409.40
  4. Step 4: Simplify right side
    437,737.40x = 112,465,152,668.94
  5. Step 5: Solve for x
    x = 112,465,152,668.94/437,737.40
  6. Step 6: Final answer
    x = 256,923.79

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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.