Home / 359,973.12-539,576-270,951.36

Finding the Fourth Proportional to 359,973.12, 539,576 and 270,951.36

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Solution

The fourth proportional to 359,973.12, 539,576 and 270,951.36 is: 406,138.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,973.12 : 539,576 = 270,951.36 : x
  2. Step 2: Convert to fraction form
    359,973.12/539,576 = 270,951.36/x
  3. Step 3: Cross multiply
    359,973.12x = 539,576 × 270,951.36
  4. Step 4: Simplify right side
    359,973.12x = 146,198,851,023.36
  5. Step 5: Solve for x
    x = 146,198,851,023.36/359,973.12
  6. Step 6: Final answer
    x = 406,138.24

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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.