Home / 258,975.19-388,826.24-132,706.17

Finding the Fourth Proportional to 258,975.19, 388,826.24 and 132,706.17

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Solution

The fourth proportional to 258,975.19, 388,826.24 and 132,706.17 is: 199,245.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,975.19 : 388,826.24 = 132,706.17 : x
  2. Step 2: Convert to fraction form
    258,975.19/388,826.24 = 132,706.17/x
  3. Step 3: Cross multiply
    258,975.19x = 388,826.24 × 132,706.17
  4. Step 4: Simplify right side
    258,975.19x = 51,599,641,105.90
  5. Step 5: Solve for x
    x = 51,599,641,105.90/258,975.19
  6. Step 6: Final answer
    x = 199,245.50

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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.