Home / 318,258.28-477,286.38-107,846.92

Finding the Fourth Proportional to 318,258.28, 477,286.38 and 107,846.92

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Solution

The fourth proportional to 318,258.28, 477,286.38 and 107,846.92 is: 161,736.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,258.28 : 477,286.38 = 107,846.92 : x
  2. Step 2: Convert to fraction form
    318,258.28/477,286.38 = 107,846.92/x
  3. Step 3: Cross multiply
    318,258.28x = 477,286.38 × 107,846.92
  4. Step 4: Simplify right side
    318,258.28x = 51,473,866,040.95
  5. Step 5: Solve for x
    x = 51,473,866,040.95/318,258.28
  6. Step 6: Final answer
    x = 161,736.14

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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.