Home / 258,584.09-387,626.72-132,283.85

Finding the Fourth Proportional to 258,584.09, 387,626.72 and 132,283.85

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Solution

The fourth proportional to 258,584.09, 387,626.72 and 132,283.85 is: 198,298.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,584.09 : 387,626.72 = 132,283.85 : x
  2. Step 2: Convert to fraction form
    258,584.09/387,626.72 = 132,283.85/x
  3. Step 3: Cross multiply
    258,584.09x = 387,626.72 × 132,283.85
  4. Step 4: Simplify right side
    258,584.09x = 51,276,752,284.92
  5. Step 5: Solve for x
    x = 51,276,752,284.92/258,584.09
  6. Step 6: Final answer
    x = 198,298.18

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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.