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Finding the Fourth Proportional to 447,737.52, 617,862.42 and 243,785.16

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Solution

The fourth proportional to 447,737.52, 617,862.42 and 243,785.16 is: 336,415.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,737.52 : 617,862.42 = 243,785.16 : x
  2. Step 2: Convert to fraction form
    447,737.52/617,862.42 = 243,785.16/x
  3. Step 3: Cross multiply
    447,737.52x = 617,862.42 × 243,785.16
  4. Step 4: Simplify right side
    447,737.52x = 150,625,688,917.69
  5. Step 5: Solve for x
    x = 150,625,688,917.69/447,737.52
  6. Step 6: Final answer
    x = 336,415.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.