Home / 318,824.20-477,711.37-222,771.16

Finding the Fourth Proportional to 318,824.20, 477,711.37 and 222,771.16

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Solution

The fourth proportional to 318,824.20, 477,711.37 and 222,771.16 is: 333,789.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,824.20 : 477,711.37 = 222,771.16 : x
  2. Step 2: Convert to fraction form
    318,824.20/477,711.37 = 222,771.16/x
  3. Step 3: Cross multiply
    318,824.20x = 477,711.37 × 222,771.16
  4. Step 4: Simplify right side
    318,824.20x = 106,420,316,040.09
  5. Step 5: Solve for x
    x = 106,420,316,040.09/318,824.20
  6. Step 6: Final answer
    x = 333,789.96

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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.