Home / 198,500.96-297,780.56-58,241.12

Finding the Fourth Proportional to 198,500.96, 297,780.56 and 58,241.12

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Solution

The fourth proportional to 198,500.96, 297,780.56 and 58,241.12 is: 87,370.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,500.96 : 297,780.56 = 58,241.12 : x
  2. Step 2: Convert to fraction form
    198,500.96/297,780.56 = 58,241.12/x
  3. Step 3: Cross multiply
    198,500.96x = 297,780.56 × 58,241.12
  4. Step 4: Simplify right side
    198,500.96x = 17,343,073,328.63
  5. Step 5: Solve for x
    x = 17,343,073,328.63/198,500.96
  6. Step 6: Final answer
    x = 87,370.22

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1.5x scale

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.