Home / 281,445.60-422,138.88-148,272.24

Finding the Fourth Proportional to 281,445.60, 422,138.88 and 148,272.24

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Solution

The fourth proportional to 281,445.60, 422,138.88 and 148,272.24 is: 222,392.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,445.60 : 422,138.88 = 148,272.24 : x
  2. Step 2: Convert to fraction form
    281,445.60/422,138.88 = 148,272.24/x
  3. Step 3: Cross multiply
    281,445.60x = 422,138.88 × 148,272.24
  4. Step 4: Simplify right side
    281,445.60x = 62,591,477,328.69
  5. Step 5: Solve for x
    x = 62,591,477,328.69/281,445.60
  6. Step 6: Final answer
    x = 222,392.81

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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.