Home / 440,209.62-660,577.14-159,748.74

Finding the Fourth Proportional to 440,209.62, 660,577.14 and 159,748.74

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Solution

The fourth proportional to 440,209.62, 660,577.14 and 159,748.74 is: 239,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,209.62 : 660,577.14 = 159,748.74 : x
  2. Step 2: Convert to fraction form
    440,209.62/660,577.14 = 159,748.74/x
  3. Step 3: Cross multiply
    440,209.62x = 660,577.14 × 159,748.74
  4. Step 4: Simplify right side
    440,209.62x = 105,526,365,787.80
  5. Step 5: Solve for x
    x = 105,526,365,787.80/440,209.62
  6. Step 6: Final answer
    x = 239,718.45

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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.