Home / 641,469.15-962,417.52-215,047.17

Finding the Fourth Proportional to 641,469.15, 962,417.52 and 215,047.17

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Solution

The fourth proportional to 641,469.15, 962,417.52 and 215,047.17 is: 322,642.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,469.15 : 962,417.52 = 215,047.17 : x
  2. Step 2: Convert to fraction form
    641,469.15/962,417.52 = 215,047.17/x
  3. Step 3: Cross multiply
    641,469.15x = 962,417.52 × 215,047.17
  4. Step 4: Simplify right side
    641,469.15x = 206,965,164,034.42
  5. Step 5: Solve for x
    x = 206,965,164,034.42/641,469.15
  6. Step 6: Final answer
    x = 322,642.43

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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.