Home / 259,512.80-389,269.20-148,613.60

Finding the Fourth Proportional to 259,512.80, 389,269.20 and 148,613.60

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Solution

The fourth proportional to 259,512.80, 389,269.20 and 148,613.60 is: 222,920.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,512.80 : 389,269.20 = 148,613.60 : x
  2. Step 2: Convert to fraction form
    259,512.80/389,269.20 = 148,613.60/x
  3. Step 3: Cross multiply
    259,512.80x = 389,269.20 × 148,613.60
  4. Step 4: Simplify right side
    259,512.80x = 57,850,697,181.12
  5. Step 5: Solve for x
    x = 57,850,697,181.12/259,512.80
  6. Step 6: Final answer
    x = 222,920.40

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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.