Home / 295,890.28-443,901.03-85,512.22

Finding the Fourth Proportional to 295,890.28, 443,901.03 and 85,512.22

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Solution

The fourth proportional to 295,890.28, 443,901.03 and 85,512.22 is: 128,287.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,890.28 : 443,901.03 = 85,512.22 : x
  2. Step 2: Convert to fraction form
    295,890.28/443,901.03 = 85,512.22/x
  3. Step 3: Cross multiply
    295,890.28x = 443,901.03 × 85,512.22
  4. Step 4: Simplify right side
    295,890.28x = 37,958,961,105.16
  5. Step 5: Solve for x
    x = 37,958,961,105.16/295,890.28
  6. Step 6: Final answer
    x = 128,287.29

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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.