Home / 263,350.40-395,117.76-76,373.12

Finding the Fourth Proportional to 263,350.40, 395,117.76 and 76,373.12

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Solution

The fourth proportional to 263,350.40, 395,117.76 and 76,373.12 is: 114,586.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,350.40 : 395,117.76 = 76,373.12 : x
  2. Step 2: Convert to fraction form
    263,350.40/395,117.76 = 76,373.12/x
  3. Step 3: Cross multiply
    263,350.40x = 395,117.76 × 76,373.12
  4. Step 4: Simplify right side
    263,350.40x = 30,176,376,098.61
  5. Step 5: Solve for x
    x = 30,176,376,098.61/263,350.40
  6. Step 6: Final answer
    x = 114,586.41

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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.