Home / 293,362.28-439,972.29-80,131.19

Finding the Fourth Proportional to 293,362.28, 439,972.29 and 80,131.19

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Solution

The fourth proportional to 293,362.28, 439,972.29 and 80,131.19 is: 120,177.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,362.28 : 439,972.29 = 80,131.19 : x
  2. Step 2: Convert to fraction form
    293,362.28/439,972.29 = 80,131.19/x
  3. Step 3: Cross multiply
    293,362.28x = 439,972.29 × 80,131.19
  4. Step 4: Simplify right side
    293,362.28x = 35,255,503,164.73
  5. Step 5: Solve for x
    x = 35,255,503,164.73/293,362.28
  6. Step 6: Final answer
    x = 120,177.36

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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.