Home / 252,590.20-378,882.06-72,680.02

Finding the Fourth Proportional to 252,590.20, 378,882.06 and 72,680.02

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Solution

The fourth proportional to 252,590.20, 378,882.06 and 72,680.02 is: 109,019.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,590.20 : 378,882.06 = 72,680.02 : x
  2. Step 2: Convert to fraction form
    252,590.20/378,882.06 = 72,680.02/x
  3. Step 3: Cross multiply
    252,590.20x = 378,882.06 × 72,680.02
  4. Step 4: Simplify right side
    252,590.20x = 27,537,155,698.44
  5. Step 5: Solve for x
    x = 27,537,155,698.44/252,590.20
  6. Step 6: Final answer
    x = 109,019.10

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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.