Home / 338,945.13-467,758.94-203,001.21

Finding the Fourth Proportional to 338,945.13, 467,758.94 and 203,001.21

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Solution

The fourth proportional to 338,945.13, 467,758.94 and 203,001.21 is: 280,150.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,945.13 : 467,758.94 = 203,001.21 : x
  2. Step 2: Convert to fraction form
    338,945.13/467,758.94 = 203,001.21/x
  3. Step 3: Cross multiply
    338,945.13x = 467,758.94 × 203,001.21
  4. Step 4: Simplify right side
    338,945.13x = 94,955,629,793.31
  5. Step 5: Solve for x
    x = 94,955,629,793.31/338,945.13
  6. Step 6: Final answer
    x = 280,150.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.