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Finding the Fourth Proportional to 359,450.28, 539,244.54 and 137,817

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Solution

The fourth proportional to 359,450.28, 539,244.54 and 137,817 is: 206,752.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,450.28 : 539,244.54 = 137,817 : x
  2. Step 2: Convert to fraction form
    359,450.28/539,244.54 = 137,817/x
  3. Step 3: Cross multiply
    359,450.28x = 539,244.54 × 137,817
  4. Step 4: Simplify right side
    359,450.28x = 74,317,064,769.18
  5. Step 5: Solve for x
    x = 74,317,064,769.18/359,450.28
  6. Step 6: Final answer
    x = 206,752.00

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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.