Home / 382,150.52-527,356.38-218,801.60

Finding the Fourth Proportional to 382,150.52, 527,356.38 and 218,801.60

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Solution

The fourth proportional to 382,150.52, 527,356.38 and 218,801.60 is: 301,939.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,150.52 : 527,356.38 = 218,801.60 : x
  2. Step 2: Convert to fraction form
    382,150.52/527,356.38 = 218,801.60/x
  3. Step 3: Cross multiply
    382,150.52x = 527,356.38 × 218,801.60
  4. Step 4: Simplify right side
    382,150.52x = 115,386,419,714.21
  5. Step 5: Solve for x
    x = 115,386,419,714.21/382,150.52
  6. Step 6: Final answer
    x = 301,939.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.