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Finding the Fourth Proportional to 237,662.32, 356,489.65 and 57,749.17

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Solution

The fourth proportional to 237,662.32, 356,489.65 and 57,749.17 is: 86,622.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,662.32 : 356,489.65 = 57,749.17 : x
  2. Step 2: Convert to fraction form
    237,662.32/356,489.65 = 57,749.17/x
  3. Step 3: Cross multiply
    237,662.32x = 356,489.65 × 57,749.17
  4. Step 4: Simplify right side
    237,662.32x = 20,586,981,401.09
  5. Step 5: Solve for x
    x = 20,586,981,401.09/237,662.32
  6. Step 6: Final answer
    x = 86,622.82

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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.