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Finding the Fourth Proportional to 229,660.56, 344,472.21 and 145,174.32

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Solution

The fourth proportional to 229,660.56, 344,472.21 and 145,174.32 is: 217,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,660.56 : 344,472.21 = 145,174.32 : x
  2. Step 2: Convert to fraction form
    229,660.56/344,472.21 = 145,174.32/x
  3. Step 3: Cross multiply
    229,660.56x = 344,472.21 × 145,174.32
  4. Step 4: Simplify right side
    229,660.56x = 50,008,518,845.65
  5. Step 5: Solve for x
    x = 50,008,518,845.65/229,660.56
  6. Step 6: Final answer
    x = 217,749.70

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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.