Home / 263,748.84-395,671.86-86,265.29

Finding the Fourth Proportional to 263,748.84, 395,671.86 and 86,265.29

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Solution

The fourth proportional to 263,748.84, 395,671.86 and 86,265.29 is: 129,413.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,748.84 : 395,671.86 = 86,265.29 : x
  2. Step 2: Convert to fraction form
    263,748.84/395,671.86 = 86,265.29/x
  3. Step 3: Cross multiply
    263,748.84x = 395,671.86 × 86,265.29
  4. Step 4: Simplify right side
    263,748.84x = 34,132,745,769.38
  5. Step 5: Solve for x
    x = 34,132,745,769.38/263,748.84
  6. Step 6: Final answer
    x = 129,413.82

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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.