Home / 286,849.28-395,861.76-157,793.24

Finding the Fourth Proportional to 286,849.28, 395,861.76 and 157,793.24

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Solution

The fourth proportional to 286,849.28, 395,861.76 and 157,793.24 is: 217,760.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,849.28 : 395,861.76 = 157,793.24 : x
  2. Step 2: Convert to fraction form
    286,849.28/395,861.76 = 157,793.24/x
  3. Step 3: Cross multiply
    286,849.28x = 395,861.76 × 157,793.24
  4. Step 4: Simplify right side
    286,849.28x = 62,464,309,702.50
  5. Step 5: Solve for x
    x = 62,464,309,702.50/286,849.28
  6. Step 6: Final answer
    x = 217,760.04

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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.