Home / 415,449.20-623,141.40-162,680.60

Finding the Fourth Proportional to 415,449.20, 623,141.40 and 162,680.60

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Solution

The fourth proportional to 415,449.20, 623,141.40 and 162,680.60 is: 244,008.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,449.20 : 623,141.40 = 162,680.60 : x
  2. Step 2: Convert to fraction form
    415,449.20/623,141.40 = 162,680.60/x
  3. Step 3: Cross multiply
    415,449.20x = 623,141.40 × 162,680.60
  4. Step 4: Simplify right side
    415,449.20x = 101,373,016,836.84
  5. Step 5: Solve for x
    x = 101,373,016,836.84/415,449.20
  6. Step 6: Final answer
    x = 244,008.21

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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.