Home / 326,456.64-449,769.06-252,615.24

Finding the Fourth Proportional to 326,456.64, 449,769.06 and 252,615.24

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Solution

The fourth proportional to 326,456.64, 449,769.06 and 252,615.24 is: 348,035.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,456.64 : 449,769.06 = 252,615.24 : x
  2. Step 2: Convert to fraction form
    326,456.64/449,769.06 = 252,615.24/x
  3. Step 3: Cross multiply
    326,456.64x = 449,769.06 × 252,615.24
  4. Step 4: Simplify right side
    326,456.64x = 113,618,519,036.47
  5. Step 5: Solve for x
    x = 113,618,519,036.47/326,456.64
  6. Step 6: Final answer
    x = 348,035.56

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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.