Home / 359,535.44-496,158.30-198,390.36

Finding the Fourth Proportional to 359,535.44, 496,158.30 and 198,390.36

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Solution

The fourth proportional to 359,535.44, 496,158.30 and 198,390.36 is: 273,778.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,535.44 : 496,158.30 = 198,390.36 : x
  2. Step 2: Convert to fraction form
    359,535.44/496,158.30 = 198,390.36/x
  3. Step 3: Cross multiply
    359,535.44x = 496,158.30 × 198,390.36
  4. Step 4: Simplify right side
    359,535.44x = 98,433,023,753.99
  5. Step 5: Solve for x
    x = 98,433,023,753.99/359,535.44
  6. Step 6: Final answer
    x = 273,778.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.