Home / 263,474.84-395,275.14-85,982.18

Finding the Fourth Proportional to 263,474.84, 395,275.14 and 85,982.18

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Solution

The fourth proportional to 263,474.84, 395,275.14 and 85,982.18 is: 128,993.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,474.84 : 395,275.14 = 85,982.18 : x
  2. Step 2: Convert to fraction form
    263,474.84/395,275.14 = 85,982.18/x
  3. Step 3: Cross multiply
    263,474.84x = 395,275.14 × 85,982.18
  4. Step 4: Simplify right side
    263,474.84x = 33,986,616,260.63
  5. Step 5: Solve for x
    x = 33,986,616,260.63/263,474.84
  6. Step 6: Final answer
    x = 128,993.79

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1.5x scale

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.