Home / 263,679.66-395,586.47-76,691.16

Finding the Fourth Proportional to 263,679.66, 395,586.47 and 76,691.16

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Solution

The fourth proportional to 263,679.66, 395,586.47 and 76,691.16 is: 115,056.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,679.66 : 395,586.47 = 76,691.16 : x
  2. Step 2: Convert to fraction form
    263,679.66/395,586.47 = 76,691.16/x
  3. Step 3: Cross multiply
    263,679.66x = 395,586.47 × 76,691.16
  4. Step 4: Simplify right side
    263,679.66x = 30,337,984,881.15
  5. Step 5: Solve for x
    x = 30,337,984,881.15/263,679.66
  6. Step 6: Final answer
    x = 115,056.22

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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.