Home / 252,971.29-378,576.66-156,863.58

Finding the Fourth Proportional to 252,971.29, 378,576.66 and 156,863.58

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Solution

The fourth proportional to 252,971.29, 378,576.66 and 156,863.58 is: 234,749.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,971.29 : 378,576.66 = 156,863.58 : x
  2. Step 2: Convert to fraction form
    252,971.29/378,576.66 = 156,863.58/x
  3. Step 3: Cross multiply
    252,971.29x = 378,576.66 × 156,863.58
  4. Step 4: Simplify right side
    252,971.29x = 59,384,890,192.04
  5. Step 5: Solve for x
    x = 59,384,890,192.04/252,971.29
  6. Step 6: Final answer
    x = 234,749.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.