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Finding the Fourth Proportional to 324,986.72, 448,504.56 and 181,760.12

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Solution

The fourth proportional to 324,986.72, 448,504.56 and 181,760.12 is: 250,841.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,986.72 : 448,504.56 = 181,760.12 : x
  2. Step 2: Convert to fraction form
    324,986.72/448,504.56 = 181,760.12/x
  3. Step 3: Cross multiply
    324,986.72x = 448,504.56 × 181,760.12
  4. Step 4: Simplify right side
    324,986.72x = 81,520,242,646.15
  5. Step 5: Solve for x
    x = 81,520,242,646.15/324,986.72
  6. Step 6: Final answer
    x = 250,841.77

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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.