Home / 240,144.28-360,216.42-90,418.15

Finding the Fourth Proportional to 240,144.28, 360,216.42 and 90,418.15

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Solution

The fourth proportional to 240,144.28, 360,216.42 and 90,418.15 is: 135,627.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,144.28 : 360,216.42 = 90,418.15 : x
  2. Step 2: Convert to fraction form
    240,144.28/360,216.42 = 90,418.15/x
  3. Step 3: Cross multiply
    240,144.28x = 360,216.42 × 90,418.15
  4. Step 4: Simplify right side
    240,144.28x = 32,570,102,407.23
  5. Step 5: Solve for x
    x = 32,570,102,407.23/240,144.28
  6. Step 6: Final answer
    x = 135,627.23

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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.