Home / 263,718.02-395,587.95-76,729.52

Finding the Fourth Proportional to 263,718.02, 395,587.95 and 76,729.52

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Solution

The fourth proportional to 263,718.02, 395,587.95 and 76,729.52 is: 115,097.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,718.02 : 395,587.95 = 76,729.52 : x
  2. Step 2: Convert to fraction form
    263,718.02/395,587.95 = 76,729.52/x
  3. Step 3: Cross multiply
    263,718.02x = 395,587.95 × 76,729.52
  4. Step 4: Simplify right side
    263,718.02x = 30,353,273,521.28
  5. Step 5: Solve for x
    x = 30,353,273,521.28/263,718.02
  6. Step 6: Final answer
    x = 115,097.46

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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.