Home / 316,193.04-436,349.82-172,949.94

Finding the Fourth Proportional to 316,193.04, 436,349.82 and 172,949.94

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Solution

The fourth proportional to 316,193.04, 436,349.82 and 172,949.94 is: 238,672.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,193.04 : 436,349.82 = 172,949.94 : x
  2. Step 2: Convert to fraction form
    316,193.04/436,349.82 = 172,949.94/x
  3. Step 3: Cross multiply
    316,193.04x = 436,349.82 × 172,949.94
  4. Step 4: Simplify right side
    316,193.04x = 75,466,675,188.01
  5. Step 5: Solve for x
    x = 75,466,675,188.01/316,193.04
  6. Step 6: Final answer
    x = 238,672.79

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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.