Home / 384,867.12-577,245.65-132,142.87

Finding the Fourth Proportional to 384,867.12, 577,245.65 and 132,142.87

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Solution

The fourth proportional to 384,867.12, 577,245.65 and 132,142.87 is: 198,195.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,867.12 : 577,245.65 = 132,142.87 : x
  2. Step 2: Convert to fraction form
    384,867.12/577,245.65 = 132,142.87/x
  3. Step 3: Cross multiply
    384,867.12x = 577,245.65 × 132,142.87
  4. Step 4: Simplify right side
    384,867.12x = 76,278,896,886.02
  5. Step 5: Solve for x
    x = 76,278,896,886.02/384,867.12
  6. Step 6: Final answer
    x = 198,195.41

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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.