Home / 240,862.28-361,188.86-128,517.44

Finding the Fourth Proportional to 240,862.28, 361,188.86 and 128,517.44

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Solution

The fourth proportional to 240,862.28, 361,188.86 and 128,517.44 is: 192,720.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,862.28 : 361,188.86 = 128,517.44 : x
  2. Step 2: Convert to fraction form
    240,862.28/361,188.86 = 128,517.44/x
  3. Step 3: Cross multiply
    240,862.28x = 361,188.86 × 128,517.44
  4. Step 4: Simplify right side
    240,862.28x = 46,419,065,195.19
  5. Step 5: Solve for x
    x = 46,419,065,195.19/240,862.28
  6. Step 6: Final answer
    x = 192,720.36

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1.5x scale

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.