Home / 267,121.20-400,617-89,582.16

Finding the Fourth Proportional to 267,121.20, 400,617 and 89,582.16

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Solution

The fourth proportional to 267,121.20, 400,617 and 89,582.16 is: 134,351.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,121.20 : 400,617 = 89,582.16 : x
  2. Step 2: Convert to fraction form
    267,121.20/400,617 = 89,582.16/x
  3. Step 3: Cross multiply
    267,121.20x = 400,617 × 89,582.16
  4. Step 4: Simplify right side
    267,121.20x = 35,888,136,192.72
  5. Step 5: Solve for x
    x = 35,888,136,192.72/267,121.20
  6. Step 6: Final answer
    x = 134,351.51

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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.