Home / 293,916.12-405,610.92-159,780.12

Finding the Fourth Proportional to 293,916.12, 405,610.92 and 159,780.12

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Solution

The fourth proportional to 293,916.12, 405,610.92 and 159,780.12 is: 220,500.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,916.12 : 405,610.92 = 159,780.12 : x
  2. Step 2: Convert to fraction form
    293,916.12/405,610.92 = 159,780.12/x
  3. Step 3: Cross multiply
    293,916.12x = 405,610.92 × 159,780.12
  4. Step 4: Simplify right side
    293,916.12x = 64,808,561,470.91
  5. Step 5: Solve for x
    x = 64,808,561,470.91/293,916.12
  6. Step 6: Final answer
    x = 220,500.19

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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.