Home / 378,948.72-568,598.04-168,724.56

Finding the Fourth Proportional to 378,948.72, 568,598.04 and 168,724.56

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Solution

The fourth proportional to 378,948.72, 568,598.04 and 168,724.56 is: 253,164.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,948.72 : 568,598.04 = 168,724.56 : x
  2. Step 2: Convert to fraction form
    378,948.72/568,598.04 = 168,724.56/x
  3. Step 3: Cross multiply
    378,948.72x = 568,598.04 × 168,724.56
  4. Step 4: Simplify right side
    378,948.72x = 95,936,454,115.86
  5. Step 5: Solve for x
    x = 95,936,454,115.86/378,948.72
  6. Step 6: Final answer
    x = 253,164.74

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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.