Home / 321,127.22-443,359.77-200,445.83

Finding the Fourth Proportional to 321,127.22, 443,359.77 and 200,445.83

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Solution

The fourth proportional to 321,127.22, 443,359.77 and 200,445.83 is: 276,742.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,127.22 : 443,359.77 = 200,445.83 : x
  2. Step 2: Convert to fraction form
    321,127.22/443,359.77 = 200,445.83/x
  3. Step 3: Cross multiply
    321,127.22x = 443,359.77 × 200,445.83
  4. Step 4: Simplify right side
    321,127.22x = 88,869,615,780.39
  5. Step 5: Solve for x
    x = 88,869,615,780.39/321,127.22
  6. Step 6: Final answer
    x = 276,742.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.