Home / 263,458.38-395,187.86-123,315.42

Finding the Fourth Proportional to 263,458.38, 395,187.86 and 123,315.42

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Solution

The fourth proportional to 263,458.38, 395,187.86 and 123,315.42 is: 184,973.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,458.38 : 395,187.86 = 123,315.42 : x
  2. Step 2: Convert to fraction form
    263,458.38/395,187.86 = 123,315.42/x
  3. Step 3: Cross multiply
    263,458.38x = 395,187.86 × 123,315.42
  4. Step 4: Simplify right side
    263,458.38x = 48,732,757,922.77
  5. Step 5: Solve for x
    x = 48,732,757,922.77/263,458.38
  6. Step 6: Final answer
    x = 184,973.27

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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.