Home / 330,456.56-456,034.20-179,556.08

Finding the Fourth Proportional to 330,456.56, 456,034.20 and 179,556.08

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Solution

The fourth proportional to 330,456.56, 456,034.20 and 179,556.08 is: 247,789.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,456.56 : 456,034.20 = 179,556.08 : x
  2. Step 2: Convert to fraction form
    330,456.56/456,034.20 = 179,556.08/x
  3. Step 3: Cross multiply
    330,456.56x = 456,034.20 × 179,556.08
  4. Step 4: Simplify right side
    330,456.56x = 81,883,713,297.94
  5. Step 5: Solve for x
    x = 81,883,713,297.94/330,456.56
  6. Step 6: Final answer
    x = 247,789.64

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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.