Home / 275,769.04-380,519.84-154,887.18

Finding the Fourth Proportional to 275,769.04, 380,519.84 and 154,887.18

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Solution

The fourth proportional to 275,769.04, 380,519.84 and 154,887.18 is: 213,721.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,769.04 : 380,519.84 = 154,887.18 : x
  2. Step 2: Convert to fraction form
    275,769.04/380,519.84 = 154,887.18/x
  3. Step 3: Cross multiply
    275,769.04x = 380,519.84 × 154,887.18
  4. Step 4: Simplify right side
    275,769.04x = 58,937,644,951.65
  5. Step 5: Solve for x
    x = 58,937,644,951.65/275,769.04
  6. Step 6: Final answer
    x = 213,721.04

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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.