Home / 279,962.65-386,208.03-177,821.52

Finding the Fourth Proportional to 279,962.65, 386,208.03 and 177,821.52

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Solution

The fourth proportional to 279,962.65, 386,208.03 and 177,821.52 is: 245,304.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,962.65 : 386,208.03 = 177,821.52 : x
  2. Step 2: Convert to fraction form
    279,962.65/386,208.03 = 177,821.52/x
  3. Step 3: Cross multiply
    279,962.65x = 386,208.03 × 177,821.52
  4. Step 4: Simplify right side
    279,962.65x = 68,676,098,930.81
  5. Step 5: Solve for x
    x = 68,676,098,930.81/279,962.65
  6. Step 6: Final answer
    x = 245,304.50

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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.