Home / 263,731.41-395,608.02-76,742.91

Finding the Fourth Proportional to 263,731.41, 395,608.02 and 76,742.91

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Solution

The fourth proportional to 263,731.41, 395,608.02 and 76,742.91 is: 115,117.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,731.41 : 395,608.02 = 76,742.91 : x
  2. Step 2: Convert to fraction form
    263,731.41/395,608.02 = 76,742.91/x
  3. Step 3: Cross multiply
    263,731.41x = 395,608.02 × 76,742.91
  4. Step 4: Simplify right side
    263,731.41x = 30,360,110,674.14
  5. Step 5: Solve for x
    x = 30,360,110,674.14/263,731.41
  6. Step 6: Final answer
    x = 115,117.54

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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.