Home / 440,385.08-660,577.61-124,844.72

Finding the Fourth Proportional to 440,385.08, 660,577.61 and 124,844.72

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Solution

The fourth proportional to 440,385.08, 660,577.61 and 124,844.72 is: 187,267.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,385.08 : 660,577.61 = 124,844.72 : x
  2. Step 2: Convert to fraction form
    440,385.08/660,577.61 = 124,844.72/x
  3. Step 3: Cross multiply
    440,385.08x = 660,577.61 × 124,844.72
  4. Step 4: Simplify right side
    440,385.08x = 82,469,623,767.94
  5. Step 5: Solve for x
    x = 82,469,623,767.94/440,385.08
  6. Step 6: Final answer
    x = 187,267.07

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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.