Home / 263,823.12-395,864.60-123,557.52

Finding the Fourth Proportional to 263,823.12, 395,864.60 and 123,557.52

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Solution

The fourth proportional to 263,823.12, 395,864.60 and 123,557.52 is: 185,397.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,823.12 : 395,864.60 = 123,557.52 : x
  2. Step 2: Convert to fraction form
    263,823.12/395,864.60 = 123,557.52/x
  3. Step 3: Cross multiply
    263,823.12x = 395,864.60 × 123,557.52
  4. Step 4: Simplify right side
    263,823.12x = 48,912,048,231.79
  5. Step 5: Solve for x
    x = 48,912,048,231.79/263,823.12
  6. Step 6: Final answer
    x = 185,397.13

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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.