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Finding the Fourth Proportional to 359,936.64, 539,970.54 and 180,116.04

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Solution

The fourth proportional to 359,936.64, 539,970.54 and 180,116.04 is: 270,206.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,936.64 : 539,970.54 = 180,116.04 : x
  2. Step 2: Convert to fraction form
    359,936.64/539,970.54 = 180,116.04/x
  3. Step 3: Cross multiply
    359,936.64x = 539,970.54 × 180,116.04
  4. Step 4: Simplify right side
    359,936.64x = 97,257,355,381.46
  5. Step 5: Solve for x
    x = 97,257,355,381.46/359,936.64
  6. Step 6: Final answer
    x = 270,206.88

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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.