Home / 259,115.26-388,672.89-148,229.50

Finding the Fourth Proportional to 259,115.26, 388,672.89 and 148,229.50

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Solution

The fourth proportional to 259,115.26, 388,672.89 and 148,229.50 is: 222,344.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,115.26 : 388,672.89 = 148,229.50 : x
  2. Step 2: Convert to fraction form
    259,115.26/388,672.89 = 148,229.50/x
  3. Step 3: Cross multiply
    259,115.26x = 388,672.89 × 148,229.50
  4. Step 4: Simplify right side
    259,115.26x = 57,612,788,148.26
  5. Step 5: Solve for x
    x = 57,612,788,148.26/259,115.26
  6. Step 6: Final answer
    x = 222,344.25

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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.