Home / 268,403.20-402,655.56-88,498.96

Finding the Fourth Proportional to 268,403.20, 402,655.56 and 88,498.96

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Solution

The fourth proportional to 268,403.20, 402,655.56 and 88,498.96 is: 132,765.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,403.20 : 402,655.56 = 88,498.96 : x
  2. Step 2: Convert to fraction form
    268,403.20/402,655.56 = 88,498.96/x
  3. Step 3: Cross multiply
    268,403.20x = 402,655.56 × 88,498.96
  4. Step 4: Simplify right side
    268,403.20x = 35,634,598,298.22
  5. Step 5: Solve for x
    x = 35,634,598,298.22/268,403.20
  6. Step 6: Final answer
    x = 132,765.18

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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.