Home / 229,490.20-344,235.30-71,734.60

Finding the Fourth Proportional to 229,490.20, 344,235.30 and 71,734.60

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Solution

The fourth proportional to 229,490.20, 344,235.30 and 71,734.60 is: 107,601.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,490.20 : 344,235.30 = 71,734.60 : x
  2. Step 2: Convert to fraction form
    229,490.20/344,235.30 = 71,734.60/x
  3. Step 3: Cross multiply
    229,490.20x = 344,235.30 × 71,734.60
  4. Step 4: Simplify right side
    229,490.20x = 24,693,581,551.38
  5. Step 5: Solve for x
    x = 24,693,581,551.38/229,490.20
  6. Step 6: Final answer
    x = 107,601.90

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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.