Home / 215,716.80-323,684.60-145,448.52

Finding the Fourth Proportional to 215,716.80, 323,684.60 and 145,448.52

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Solution

The fourth proportional to 215,716.80, 323,684.60 and 145,448.52 is: 218,246.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,716.80 : 323,684.60 = 145,448.52 : x
  2. Step 2: Convert to fraction form
    215,716.80/323,684.60 = 145,448.52/x
  3. Step 3: Cross multiply
    215,716.80x = 323,684.60 × 145,448.52
  4. Step 4: Simplify right side
    215,716.80x = 47,079,446,016.79
  5. Step 5: Solve for x
    x = 47,079,446,016.79/215,716.80
  6. Step 6: Final answer
    x = 218,246.54

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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.