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Finding the Fourth Proportional to 272,753.58, 409,192.28 and 83,230.86

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Solution

The fourth proportional to 272,753.58, 409,192.28 and 83,230.86 is: 124,865.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,753.58 : 409,192.28 = 83,230.86 : x
  2. Step 2: Convert to fraction form
    272,753.58/409,192.28 = 83,230.86/x
  3. Step 3: Cross multiply
    272,753.58x = 409,192.28 × 83,230.86
  4. Step 4: Simplify right side
    272,753.58x = 34,057,425,369.76
  5. Step 5: Solve for x
    x = 34,057,425,369.76/272,753.58
  6. Step 6: Final answer
    x = 124,865.18

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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.