Home / 269,727.16-372,013.05-172,940.26

Finding the Fourth Proportional to 269,727.16, 372,013.05 and 172,940.26

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Solution

The fourth proportional to 269,727.16, 372,013.05 and 172,940.26 is: 238,522.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,727.16 : 372,013.05 = 172,940.26 : x
  2. Step 2: Convert to fraction form
    269,727.16/372,013.05 = 172,940.26/x
  3. Step 3: Cross multiply
    269,727.16x = 372,013.05 × 172,940.26
  4. Step 4: Simplify right side
    269,727.16x = 64,336,033,590.39
  5. Step 5: Solve for x
    x = 64,336,033,590.39/269,727.16
  6. Step 6: Final answer
    x = 238,522.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.