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Finding the Fourth Proportional to 440,168.88, 660,297.04 and 159,708

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Solution

The fourth proportional to 440,168.88, 660,297.04 and 159,708 is: 239,577.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,168.88 : 660,297.04 = 159,708 : x
  2. Step 2: Convert to fraction form
    440,168.88/660,297.04 = 159,708/x
  3. Step 3: Cross multiply
    440,168.88x = 660,297.04 × 159,708
  4. Step 4: Simplify right side
    440,168.88x = 105,454,719,664.32
  5. Step 5: Solve for x
    x = 105,454,719,664.32/440,168.88
  6. Step 6: Final answer
    x = 239,577.86

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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.