Home / 272,844.08-409,227.24-85,850.72

Finding the Fourth Proportional to 272,844.08, 409,227.24 and 85,850.72

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Solution

The fourth proportional to 272,844.08, 409,227.24 and 85,850.72 is: 128,763.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,844.08 : 409,227.24 = 85,850.72 : x
  2. Step 2: Convert to fraction form
    272,844.08/409,227.24 = 85,850.72/x
  3. Step 3: Cross multiply
    272,844.08x = 409,227.24 × 85,850.72
  4. Step 4: Simplify right side
    272,844.08x = 35,132,453,197.61
  5. Step 5: Solve for x
    x = 35,132,453,197.61/272,844.08
  6. Step 6: Final answer
    x = 128,763.85

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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.