Home / 252,514.16-378,823.08-75,005.36

Finding the Fourth Proportional to 252,514.16, 378,823.08 and 75,005.36

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Solution

The fourth proportional to 252,514.16, 378,823.08 and 75,005.36 is: 112,523.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,514.16 : 378,823.08 = 75,005.36 : x
  2. Step 2: Convert to fraction form
    252,514.16/378,823.08 = 75,005.36/x
  3. Step 3: Cross multiply
    252,514.16x = 378,823.08 × 75,005.36
  4. Step 4: Simplify right side
    252,514.16x = 28,413,761,491.71
  5. Step 5: Solve for x
    x = 28,413,761,491.71/252,514.16
  6. Step 6: Final answer
    x = 112,523.44

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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.