Home / 259,734.30-389,601.45-148,835.10

Finding the Fourth Proportional to 259,734.30, 389,601.45 and 148,835.10

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Solution

The fourth proportional to 259,734.30, 389,601.45 and 148,835.10 is: 223,252.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,734.30 : 389,601.45 = 148,835.10 : x
  2. Step 2: Convert to fraction form
    259,734.30/389,601.45 = 148,835.10/x
  3. Step 3: Cross multiply
    259,734.30x = 389,601.45 × 148,835.10
  4. Step 4: Simplify right side
    259,734.30x = 57,986,370,770.90
  5. Step 5: Solve for x
    x = 57,986,370,770.90/259,734.30
  6. Step 6: Final answer
    x = 223,252.65

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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.