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Finding the Fourth Proportional to 359,452.28, 539,247.54 and 137,819

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Solution

The fourth proportional to 359,452.28, 539,247.54 and 137,819 is: 206,755.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,452.28 : 539,247.54 = 137,819 : x
  2. Step 2: Convert to fraction form
    359,452.28/539,247.54 = 137,819/x
  3. Step 3: Cross multiply
    359,452.28x = 539,247.54 × 137,819
  4. Step 4: Simplify right side
    359,452.28x = 74,318,556,715.26
  5. Step 5: Solve for x
    x = 74,318,556,715.26/359,452.28
  6. Step 6: Final answer
    x = 206,755.00

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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.