Home / 295,316.20-442,974.30-137,560.60

Finding the Fourth Proportional to 295,316.20, 442,974.30 and 137,560.60

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Solution

The fourth proportional to 295,316.20, 442,974.30 and 137,560.60 is: 206,340.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,316.20 : 442,974.30 = 137,560.60 : x
  2. Step 2: Convert to fraction form
    295,316.20/442,974.30 = 137,560.60/x
  3. Step 3: Cross multiply
    295,316.20x = 442,974.30 × 137,560.60
  4. Step 4: Simplify right side
    295,316.20x = 60,935,810,492.58
  5. Step 5: Solve for x
    x = 60,935,810,492.58/295,316.20
  6. Step 6: Final answer
    x = 206,340.90

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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.