Home / 275,668.32-380,313.68-159,305.04

Finding the Fourth Proportional to 275,668.32, 380,313.68 and 159,305.04

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Solution

The fourth proportional to 275,668.32, 380,313.68 and 159,305.04 is: 219,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,668.32 : 380,313.68 = 159,305.04 : x
  2. Step 2: Convert to fraction form
    275,668.32/380,313.68 = 159,305.04/x
  3. Step 3: Cross multiply
    275,668.32x = 380,313.68 × 159,305.04
  4. Step 4: Simplify right side
    275,668.32x = 60,585,886,004.95
  5. Step 5: Solve for x
    x = 60,585,886,004.95/275,668.32
  6. Step 6: Final answer
    x = 219,778.20

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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.