Home / 280,769.24-387,460.92-159,910.52

Finding the Fourth Proportional to 280,769.24, 387,460.92 and 159,910.52

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Solution

The fourth proportional to 280,769.24, 387,460.92 and 159,910.52 is: 220,676.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,769.24 : 387,460.92 = 159,910.52 : x
  2. Step 2: Convert to fraction form
    280,769.24/387,460.92 = 159,910.52/x
  3. Step 3: Cross multiply
    280,769.24x = 387,460.92 × 159,910.52
  4. Step 4: Simplify right side
    280,769.24x = 61,959,077,196.88
  5. Step 5: Solve for x
    x = 61,959,077,196.88/280,769.24
  6. Step 6: Final answer
    x = 220,676.16

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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.