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Finding the Fourth Proportional to 477,169.28, 715,967.76 and 240,382.88

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Solution

The fourth proportional to 477,169.28, 715,967.76 and 240,382.88 is: 360,682.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,169.28 : 715,967.76 = 240,382.88 : x
  2. Step 2: Convert to fraction form
    477,169.28/715,967.76 = 240,382.88/x
  3. Step 3: Cross multiply
    477,169.28x = 715,967.76 × 240,382.88
  4. Step 4: Simplify right side
    477,169.28x = 172,106,392,135.95
  5. Step 5: Solve for x
    x = 172,106,392,135.95/477,169.28
  6. Step 6: Final answer
    x = 360,682.05

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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.