Home / 306,003.22-422,278.84-170,034.69

Finding the Fourth Proportional to 306,003.22, 422,278.84 and 170,034.69

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Solution

The fourth proportional to 306,003.22, 422,278.84 and 170,034.69 is: 234,644.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,003.22 : 422,278.84 = 170,034.69 : x
  2. Step 2: Convert to fraction form
    306,003.22/422,278.84 = 170,034.69/x
  3. Step 3: Cross multiply
    306,003.22x = 422,278.84 × 170,034.69
  4. Step 4: Simplify right side
    306,003.22x = 71,802,051,227.87
  5. Step 5: Solve for x
    x = 71,802,051,227.87/306,003.22
  6. Step 6: Final answer
    x = 234,644.76

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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.