Home / 272,726.43-409,113.29-83,229.46

Finding the Fourth Proportional to 272,726.43, 409,113.29 and 83,229.46

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Solution

The fourth proportional to 272,726.43, 409,113.29 and 83,229.46 is: 124,851.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,726.43 : 409,113.29 = 83,229.46 : x
  2. Step 2: Convert to fraction form
    272,726.43/409,113.29 = 83,229.46/x
  3. Step 3: Cross multiply
    272,726.43x = 409,113.29 × 83,229.46
  4. Step 4: Simplify right side
    272,726.43x = 34,050,277,789.38
  5. Step 5: Solve for x
    x = 34,050,277,789.38/272,726.43
  6. Step 6: Final answer
    x = 124,851.40

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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.