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Finding the Fourth Proportional to 359,530.60, 539,490.30 and 159,881.80

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Solution

The fourth proportional to 359,530.60, 539,490.30 and 159,881.80 is: 239,909.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,530.60 : 539,490.30 = 159,881.80 : x
  2. Step 2: Convert to fraction form
    359,530.60/539,490.30 = 159,881.80/x
  3. Step 3: Cross multiply
    359,530.60x = 539,490.30 × 159,881.80
  4. Step 4: Simplify right side
    359,530.60x = 86,254,680,246.54
  5. Step 5: Solve for x
    x = 86,254,680,246.54/359,530.60
  6. Step 6: Final answer
    x = 239,909.15

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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.