Home / 257,514.60-385,397.10-226,021.80

Finding the Fourth Proportional to 257,514.60, 385,397.10 and 226,021.80

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Solution

The fourth proportional to 257,514.60, 385,397.10 and 226,021.80 is: 338,264.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,514.60 : 385,397.10 = 226,021.80 : x
  2. Step 2: Convert to fraction form
    257,514.60/385,397.10 = 226,021.80/x
  3. Step 3: Cross multiply
    257,514.60x = 385,397.10 × 226,021.80
  4. Step 4: Simplify right side
    257,514.60x = 87,108,146,256.78
  5. Step 5: Solve for x
    x = 87,108,146,256.78/257,514.60
  6. Step 6: Final answer
    x = 338,264.88

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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.