Home / 272,981.28-409,374-104,548.96

Finding the Fourth Proportional to 272,981.28, 409,374 and 104,548.96

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Solution

The fourth proportional to 272,981.28, 409,374 and 104,548.96 is: 156,785.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,981.28 : 409,374 = 104,548.96 : x
  2. Step 2: Convert to fraction form
    272,981.28/409,374 = 104,548.96/x
  3. Step 3: Cross multiply
    272,981.28x = 409,374 × 104,548.96
  4. Step 4: Simplify right side
    272,981.28x = 42,799,625,951.04
  5. Step 5: Solve for x
    x = 42,799,625,951.04/272,981.28
  6. Step 6: Final answer
    x = 156,785.94

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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.