Home / 263,712.30-395,568.45-163,985.10

Finding the Fourth Proportional to 263,712.30, 395,568.45 and 163,985.10

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Solution

The fourth proportional to 263,712.30, 395,568.45 and 163,985.10 is: 245,977.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,712.30 : 395,568.45 = 163,985.10 : x
  2. Step 2: Convert to fraction form
    263,712.30/395,568.45 = 163,985.10/x
  3. Step 3: Cross multiply
    263,712.30x = 395,568.45 × 163,985.10
  4. Step 4: Simplify right side
    263,712.30x = 64,867,331,830.10
  5. Step 5: Solve for x
    x = 64,867,331,830.10/263,712.30
  6. Step 6: Final answer
    x = 245,977.65

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Similar ratio
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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.