Home / 242,182.20-363,489.30-142,217.40

Finding the Fourth Proportional to 242,182.20, 363,489.30 and 142,217.40

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Solution

The fourth proportional to 242,182.20, 363,489.30 and 142,217.40 is: 213,452.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,182.20 : 363,489.30 = 142,217.40 : x
  2. Step 2: Convert to fraction form
    242,182.20/363,489.30 = 142,217.40/x
  3. Step 3: Cross multiply
    242,182.20x = 363,489.30 × 142,217.40
  4. Step 4: Simplify right side
    242,182.20x = 51,694,503,173.82
  5. Step 5: Solve for x
    x = 51,694,503,173.82/242,182.20
  6. Step 6: Final answer
    x = 213,452.94

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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.