Home / 274,757.13-379,160.37-153,898.11

Finding the Fourth Proportional to 274,757.13, 379,160.37 and 153,898.11

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Solution

The fourth proportional to 274,757.13, 379,160.37 and 153,898.11 is: 212,376.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,757.13 : 379,160.37 = 153,898.11 : x
  2. Step 2: Convert to fraction form
    274,757.13/379,160.37 = 153,898.11/x
  3. Step 3: Cross multiply
    274,757.13x = 379,160.37 × 153,898.11
  4. Step 4: Simplify right side
    274,757.13x = 58,352,064,329.90
  5. Step 5: Solve for x
    x = 58,352,064,329.90/274,757.13
  6. Step 6: Final answer
    x = 212,376.89

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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.