Home / 331,521.40-497,282.10-225,767.80

Finding the Fourth Proportional to 331,521.40, 497,282.10 and 225,767.80

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Solution

The fourth proportional to 331,521.40, 497,282.10 and 225,767.80 is: 338,651.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,521.40 : 497,282.10 = 225,767.80 : x
  2. Step 2: Convert to fraction form
    331,521.40/497,282.10 = 225,767.80/x
  3. Step 3: Cross multiply
    331,521.40x = 497,282.10 × 225,767.80
  4. Step 4: Simplify right side
    331,521.40x = 112,270,285,696.38
  5. Step 5: Solve for x
    x = 112,270,285,696.38/331,521.40
  6. Step 6: Final answer
    x = 338,651.70

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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.