Home / 440,251.56-660,285-124,623.72

Finding the Fourth Proportional to 440,251.56, 660,285 and 124,623.72

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Solution

The fourth proportional to 440,251.56, 660,285 and 124,623.72 is: 186,909.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,251.56 : 660,285 = 124,623.72 : x
  2. Step 2: Convert to fraction form
    440,251.56/660,285 = 124,623.72/x
  3. Step 3: Cross multiply
    440,251.56x = 660,285 × 124,623.72
  4. Step 4: Simplify right side
    440,251.56x = 82,287,172,960.20
  5. Step 5: Solve for x
    x = 82,287,172,960.20/440,251.56
  6. Step 6: Final answer
    x = 186,909.44

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1.5x scale

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.