Home / 402,249.23-555,076.56-220,968.80

Finding the Fourth Proportional to 402,249.23, 555,076.56 and 220,968.80

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Solution

The fourth proportional to 402,249.23, 555,076.56 and 220,968.80 is: 304,921.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,249.23 : 555,076.56 = 220,968.80 : x
  2. Step 2: Convert to fraction form
    402,249.23/555,076.56 = 220,968.80/x
  3. Step 3: Cross multiply
    402,249.23x = 555,076.56 × 220,968.80
  4. Step 4: Simplify right side
    402,249.23x = 122,654,601,371.33
  5. Step 5: Solve for x
    x = 122,654,601,371.33/402,249.23
  6. Step 6: Final answer
    x = 304,921.90

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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.