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Finding the Fourth Proportional to 359,857.08, 539,786.30 and 93,617.17

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Solution

The fourth proportional to 359,857.08, 539,786.30 and 93,617.17 is: 140,425.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,857.08 : 539,786.30 = 93,617.17 : x
  2. Step 2: Convert to fraction form
    359,857.08/539,786.30 = 93,617.17/x
  3. Step 3: Cross multiply
    359,857.08x = 539,786.30 × 93,617.17
  4. Step 4: Simplify right side
    359,857.08x = 50,533,265,810.77
  5. Step 5: Solve for x
    x = 50,533,265,810.77/359,857.08
  6. Step 6: Final answer
    x = 140,425.93

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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.