Home / 259,240.26-388,858.56-72,251.76

Finding the Fourth Proportional to 259,240.26, 388,858.56 and 72,251.76

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Solution

The fourth proportional to 259,240.26, 388,858.56 and 72,251.76 is: 108,377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,240.26 : 388,858.56 = 72,251.76 : x
  2. Step 2: Convert to fraction form
    259,240.26/388,858.56 = 72,251.76/x
  3. Step 3: Cross multiply
    259,240.26x = 388,858.56 × 72,251.76
  4. Step 4: Simplify right side
    259,240.26x = 28,095,715,351.07
  5. Step 5: Solve for x
    x = 28,095,715,351.07/259,240.26
  6. Step 6: Final answer
    x = 108,377.13

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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.