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Finding the Fourth Proportional to 359,981.58, 539,981.28 and 93,754.02

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Solution

The fourth proportional to 359,981.58, 539,981.28 and 93,754.02 is: 140,633.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,981.58 : 539,981.28 = 93,754.02 : x
  2. Step 2: Convert to fraction form
    359,981.58/539,981.28 = 93,754.02/x
  3. Step 3: Cross multiply
    359,981.58x = 539,981.28 × 93,754.02
  4. Step 4: Simplify right side
    359,981.58x = 50,625,415,724.75
  5. Step 5: Solve for x
    x = 50,625,415,724.75/359,981.58
  6. Step 6: Final answer
    x = 140,633.35

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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.