Home / 263,511.28-363,645.15-142,652.53

Finding the Fourth Proportional to 263,511.28, 363,645.15 and 142,652.53

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Solution

The fourth proportional to 263,511.28, 363,645.15 and 142,652.53 is: 196,860.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,511.28 : 363,645.15 = 142,652.53 : x
  2. Step 2: Convert to fraction form
    263,511.28/363,645.15 = 142,652.53/x
  3. Step 3: Cross multiply
    263,511.28x = 363,645.15 × 142,652.53
  4. Step 4: Simplify right side
    263,511.28x = 51,874,900,669.73
  5. Step 5: Solve for x
    x = 51,874,900,669.73/263,511.28
  6. Step 6: Final answer
    x = 196,860.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.