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Finding the Fourth Proportional to 440,382.92, 607,731.54 and 239,178.92

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Solution

The fourth proportional to 440,382.92, 607,731.54 and 239,178.92 is: 330,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,382.92 : 607,731.54 = 239,178.92 : x
  2. Step 2: Convert to fraction form
    440,382.92/607,731.54 = 239,178.92/x
  3. Step 3: Cross multiply
    440,382.92x = 607,731.54 × 239,178.92
  4. Step 4: Simplify right side
    440,382.92x = 145,356,573,387.14
  5. Step 5: Solve for x
    x = 145,356,573,387.14/440,382.92
  6. Step 6: Final answer
    x = 330,068.60

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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.