Home / 759,110.40-1,138,665.60-198,144.90

Finding the Fourth Proportional to 759,110.40, 1,138,665.60 and 198,144.90

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Solution

The fourth proportional to 759,110.40, 1,138,665.60 and 198,144.90 is: 297,217.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,110.40 : 1,138,665.60 = 198,144.90 : x
  2. Step 2: Convert to fraction form
    759,110.40/1,138,665.60 = 198,144.90/x
  3. Step 3: Cross multiply
    759,110.40x = 1,138,665.60 × 198,144.90
  4. Step 4: Simplify right side
    759,110.40x = 225,620,781,445.44
  5. Step 5: Solve for x
    x = 225,620,781,445.44/759,110.40
  6. Step 6: Final answer
    x = 297,217.35

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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.