Home / 324,251.00-444,221.79-312,125.72

Finding the Fourth Proportional to 324,251.00, 444,221.79 and 312,125.72

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Solution

The fourth proportional to 324,251.00, 444,221.79 and 312,125.72 is: 427,610.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,251.00 : 444,221.79 = 312,125.72 : x
  2. Step 2: Convert to fraction form
    324,251.00/444,221.79 = 312,125.72/x
  3. Step 3: Cross multiply
    324,251.00x = 444,221.79 × 312,125.72
  4. Step 4: Simplify right side
    324,251.00x = 138,653,043,822.33
  5. Step 5: Solve for x
    x = 138,653,043,822.33/324,251.00
  6. Step 6: Final answer
    x = 427,610.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.