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Finding the Fourth Proportional to 411,737.38, 567,746.38 and 268,231.30

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Solution

The fourth proportional to 411,737.38, 567,746.38 and 268,231.30 is: 369,865.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,737.38 : 567,746.38 = 268,231.30 : x
  2. Step 2: Convert to fraction form
    411,737.38/567,746.38 = 268,231.30/x
  3. Step 3: Cross multiply
    411,737.38x = 567,746.38 × 268,231.30
  4. Step 4: Simplify right side
    411,737.38x = 152,287,349,577.69
  5. Step 5: Solve for x
    x = 152,287,349,577.69/411,737.38
  6. Step 6: Final answer
    x = 369,865.25

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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.