Home / 295,666.20-443,499.30-137,910.60

Finding the Fourth Proportional to 295,666.20, 443,499.30 and 137,910.60

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Solution

The fourth proportional to 295,666.20, 443,499.30 and 137,910.60 is: 206,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,666.20 : 443,499.30 = 137,910.60 : x
  2. Step 2: Convert to fraction form
    295,666.20/443,499.30 = 137,910.60/x
  3. Step 3: Cross multiply
    295,666.20x = 443,499.30 × 137,910.60
  4. Step 4: Simplify right side
    295,666.20x = 61,163,254,562.58
  5. Step 5: Solve for x
    x = 61,163,254,562.58/295,666.20
  6. Step 6: Final answer
    x = 206,865.90

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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.