Home / 198,468.20-297,750.30-58,231.40

Finding the Fourth Proportional to 198,468.20, 297,750.30 and 58,231.40

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Solution

The fourth proportional to 198,468.20, 297,750.30 and 58,231.40 is: 87,361.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,468.20 : 297,750.30 = 58,231.40 : x
  2. Step 2: Convert to fraction form
    198,468.20/297,750.30 = 58,231.40/x
  3. Step 3: Cross multiply
    198,468.20x = 297,750.30 × 58,231.40
  4. Step 4: Simplify right side
    198,468.20x = 17,338,416,819.42
  5. Step 5: Solve for x
    x = 17,338,416,819.42/198,468.20
  6. Step 6: Final answer
    x = 87,361.18

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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.