Home / 268,272.39-370,109.82-172,834.75

Finding the Fourth Proportional to 268,272.39, 370,109.82 and 172,834.75

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Solution

The fourth proportional to 268,272.39, 370,109.82 and 172,834.75 is: 238,443.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,272.39 : 370,109.82 = 172,834.75 : x
  2. Step 2: Convert to fraction form
    268,272.39/370,109.82 = 172,834.75/x
  3. Step 3: Cross multiply
    268,272.39x = 370,109.82 × 172,834.75
  4. Step 4: Simplify right side
    268,272.39x = 63,967,838,212.25
  5. Step 5: Solve for x
    x = 63,967,838,212.25/268,272.39
  6. Step 6: Final answer
    x = 238,443.61

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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.