Home / 263,717.02-395,586.45-76,728.52

Finding the Fourth Proportional to 263,717.02, 395,586.45 and 76,728.52

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Solution

The fourth proportional to 263,717.02, 395,586.45 and 76,728.52 is: 115,095.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,717.02 : 395,586.45 = 76,728.52 : x
  2. Step 2: Convert to fraction form
    263,717.02/395,586.45 = 76,728.52/x
  3. Step 3: Cross multiply
    263,717.02x = 395,586.45 × 76,728.52
  4. Step 4: Simplify right side
    263,717.02x = 30,352,762,840.55
  5. Step 5: Solve for x
    x = 30,352,762,840.55/263,717.02
  6. Step 6: Final answer
    x = 115,095.96

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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.