Home / 198,337.85-297,516.34-65,215.16

Finding the Fourth Proportional to 198,337.85, 297,516.34 and 65,215.16

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Solution

The fourth proportional to 198,337.85, 297,516.34 and 65,215.16 is: 97,825.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,337.85 : 297,516.34 = 65,215.16 : x
  2. Step 2: Convert to fraction form
    198,337.85/297,516.34 = 65,215.16/x
  3. Step 3: Cross multiply
    198,337.85x = 297,516.34 × 65,215.16
  4. Step 4: Simplify right side
    198,337.85x = 19,402,575,425.34
  5. Step 5: Solve for x
    x = 19,402,575,425.34/198,337.85
  6. Step 6: Final answer
    x = 97,825.88

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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.