Home / 215,534.38-323,301.57-65,775.45

Finding the Fourth Proportional to 215,534.38, 323,301.57 and 65,775.45

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Solution

The fourth proportional to 215,534.38, 323,301.57 and 65,775.45 is: 98,663.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,534.38 : 323,301.57 = 65,775.45 : x
  2. Step 2: Convert to fraction form
    215,534.38/323,301.57 = 65,775.45/x
  3. Step 3: Cross multiply
    215,534.38x = 323,301.57 × 65,775.45
  4. Step 4: Simplify right side
    215,534.38x = 21,265,306,252.46
  5. Step 5: Solve for x
    x = 21,265,306,252.46/215,534.38
  6. Step 6: Final answer
    x = 98,663.18

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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.