Home / 389,096.28-583,650.26-108,615

Finding the Fourth Proportional to 389,096.28, 583,650.26 and 108,615

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Solution

The fourth proportional to 389,096.28, 583,650.26 and 108,615 is: 162,924.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,096.28 : 583,650.26 = 108,615 : x
  2. Step 2: Convert to fraction form
    389,096.28/583,650.26 = 108,615/x
  3. Step 3: Cross multiply
    389,096.28x = 583,650.26 × 108,615
  4. Step 4: Simplify right side
    389,096.28x = 63,393,172,989.90
  5. Step 5: Solve for x
    x = 63,393,172,989.90/389,096.28
  6. Step 6: Final answer
    x = 162,924.13

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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.