Home / 331,523.40-497,285.10-225,769.80

Finding the Fourth Proportional to 331,523.40, 497,285.10 and 225,769.80

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Solution

The fourth proportional to 331,523.40, 497,285.10 and 225,769.80 is: 338,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,523.40 : 497,285.10 = 225,769.80 : x
  2. Step 2: Convert to fraction form
    331,523.40/497,285.10 = 225,769.80/x
  3. Step 3: Cross multiply
    331,523.40x = 497,285.10 × 225,769.80
  4. Step 4: Simplify right side
    331,523.40x = 112,271,957,569.98
  5. Step 5: Solve for x
    x = 112,271,957,569.98/331,523.40
  6. Step 6: Final answer
    x = 338,654.70

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Similar ratio
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1.5x scale

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.