Home / 257,536.10-385,429.35-226,043.30

Finding the Fourth Proportional to 257,536.10, 385,429.35 and 226,043.30

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Solution

The fourth proportional to 257,536.10, 385,429.35 and 226,043.30 is: 338,297.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,536.10 : 385,429.35 = 226,043.30 : x
  2. Step 2: Convert to fraction form
    257,536.10/385,429.35 = 226,043.30/x
  3. Step 3: Cross multiply
    257,536.10x = 385,429.35 × 226,043.30
  4. Step 4: Simplify right side
    257,536.10x = 87,123,722,190.86
  5. Step 5: Solve for x
    x = 87,123,722,190.86/257,536.10
  6. Step 6: Final answer
    x = 338,297.12

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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.