Home / 279,634.15-419,672.66-121,973.32

Finding the Fourth Proportional to 279,634.15, 419,672.66 and 121,973.32

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Solution

The fourth proportional to 279,634.15, 419,672.66 and 121,973.32 is: 183,056.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,634.15 : 419,672.66 = 121,973.32 : x
  2. Step 2: Convert to fraction form
    279,634.15/419,672.66 = 121,973.32/x
  3. Step 3: Cross multiply
    279,634.15x = 419,672.66 × 121,973.32
  4. Step 4: Simplify right side
    279,634.15x = 51,188,867,653.43
  5. Step 5: Solve for x
    x = 51,188,867,653.43/279,634.15
  6. Step 6: Final answer
    x = 183,056.57

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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.