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Finding the Fourth Proportional to 243,550, 365,179.20 and 101,223.76

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Solution

The fourth proportional to 243,550, 365,179.20 and 101,223.76 is: 151,775.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,550 : 365,179.20 = 101,223.76 : x
  2. Step 2: Convert to fraction form
    243,550/365,179.20 = 101,223.76/x
  3. Step 3: Cross multiply
    243,550x = 365,179.20 × 101,223.76
  4. Step 4: Simplify right side
    243,550x = 36,964,811,697.79
  5. Step 5: Solve for x
    x = 36,964,811,697.79/243,550
  6. Step 6: Final answer
    x = 151,775.04

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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.