Home / 258,521.26-388,145.19-132,252.08

Finding the Fourth Proportional to 258,521.26, 388,145.19 and 132,252.08

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Solution

The fourth proportional to 258,521.26, 388,145.19 and 132,252.08 is: 198,563.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,521.26 : 388,145.19 = 132,252.08 : x
  2. Step 2: Convert to fraction form
    258,521.26/388,145.19 = 132,252.08/x
  3. Step 3: Cross multiply
    258,521.26x = 388,145.19 × 132,252.08
  4. Step 4: Simplify right side
    258,521.26x = 51,333,008,719.50
  5. Step 5: Solve for x
    x = 51,333,008,719.50/258,521.26
  6. Step 6: Final answer
    x = 198,563.97

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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.