Home / 388,577.76-582,867.68-108,095.04

Finding the Fourth Proportional to 388,577.76, 582,867.68 and 108,095.04

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Solution

The fourth proportional to 388,577.76, 582,867.68 and 108,095.04 is: 162,142.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,577.76 : 582,867.68 = 108,095.04 : x
  2. Step 2: Convert to fraction form
    388,577.76/582,867.68 = 108,095.04/x
  3. Step 3: Cross multiply
    388,577.76x = 582,867.68 × 108,095.04
  4. Step 4: Simplify right side
    388,577.76x = 63,005,105,184.31
  5. Step 5: Solve for x
    x = 63,005,105,184.31/388,577.76
  6. Step 6: Final answer
    x = 162,142.85

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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.