Home / 316,083.75-436,195.98-172,843.35

Finding the Fourth Proportional to 316,083.75, 436,195.98 and 172,843.35

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Solution

The fourth proportional to 316,083.75, 436,195.98 and 172,843.35 is: 238,524.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,083.75 : 436,195.98 = 172,843.35 : x
  2. Step 2: Convert to fraction form
    316,083.75/436,195.98 = 172,843.35/x
  3. Step 3: Cross multiply
    316,083.75x = 436,195.98 × 172,843.35
  4. Step 4: Simplify right side
    316,083.75x = 75,393,574,439.73
  5. Step 5: Solve for x
    x = 75,393,574,439.73/316,083.75
  6. Step 6: Final answer
    x = 238,524.04

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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.