Home / 252,835.68-378,951.12-117,717.60

Finding the Fourth Proportional to 252,835.68, 378,951.12 and 117,717.60

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Solution

The fourth proportional to 252,835.68, 378,951.12 and 117,717.60 is: 176,435.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,835.68 : 378,951.12 = 117,717.60 : x
  2. Step 2: Convert to fraction form
    252,835.68/378,951.12 = 117,717.60/x
  3. Step 3: Cross multiply
    252,835.68x = 378,951.12 × 117,717.60
  4. Step 4: Simplify right side
    252,835.68x = 44,609,216,363.71
  5. Step 5: Solve for x
    x = 44,609,216,363.71/252,835.68
  6. Step 6: Final answer
    x = 176,435.61

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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.