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Finding the Fourth Proportional to 229,032.92, 343,572.92 and 79,272.96

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Solution

The fourth proportional to 229,032.92, 343,572.92 and 79,272.96 is: 118,917.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,032.92 : 343,572.92 = 79,272.96 : x
  2. Step 2: Convert to fraction form
    229,032.92/343,572.92 = 79,272.96/x
  3. Step 3: Cross multiply
    229,032.92x = 343,572.92 × 79,272.96
  4. Step 4: Simplify right side
    229,032.92x = 27,236,041,947.88
  5. Step 5: Solve for x
    x = 27,236,041,947.88/229,032.92
  6. Step 6: Final answer
    x = 118,917.59

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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.