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Finding the Fourth Proportional to 660,825.64, 991,239.25 and 181,057.53

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Solution

The fourth proportional to 660,825.64, 991,239.25 and 181,057.53 is: 271,586.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,825.64 : 991,239.25 = 181,057.53 : x
  2. Step 2: Convert to fraction form
    660,825.64/991,239.25 = 181,057.53/x
  3. Step 3: Cross multiply
    660,825.64x = 991,239.25 × 181,057.53
  4. Step 4: Simplify right side
    660,825.64x = 179,471,327,763.09
  5. Step 5: Solve for x
    x = 179,471,327,763.09/660,825.64
  6. Step 6: Final answer
    x = 271,586.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.