Home / 267,220.42-400,867.54-89,778.18

Finding the Fourth Proportional to 267,220.42, 400,867.54 and 89,778.18

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Solution

The fourth proportional to 267,220.42, 400,867.54 and 89,778.18 is: 134,679.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,220.42 : 400,867.54 = 89,778.18 : x
  2. Step 2: Convert to fraction form
    267,220.42/400,867.54 = 89,778.18/x
  3. Step 3: Cross multiply
    267,220.42x = 400,867.54 × 89,778.18
  4. Step 4: Simplify right side
    267,220.42x = 35,989,158,162.28
  5. Step 5: Solve for x
    x = 35,989,158,162.28/267,220.42
  6. Step 6: Final answer
    x = 134,679.67

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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.