Home / 279,311.14-419,032.33-92,322.64

Finding the Fourth Proportional to 279,311.14, 419,032.33 and 92,322.64

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Solution

The fourth proportional to 279,311.14, 419,032.33 and 92,322.64 is: 138,505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,311.14 : 419,032.33 = 92,322.64 : x
  2. Step 2: Convert to fraction form
    279,311.14/419,032.33 = 92,322.64/x
  3. Step 3: Cross multiply
    279,311.14x = 419,032.33 × 92,322.64
  4. Step 4: Simplify right side
    279,311.14x = 38,686,170,950.95
  5. Step 5: Solve for x
    x = 38,686,170,950.95/279,311.14
  6. Step 6: Final answer
    x = 138,505.65

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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.