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Finding the Fourth Proportional to 239,608.80, 330,656.04 and 132,189.12

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Solution

The fourth proportional to 239,608.80, 330,656.04 and 132,189.12 is: 182,418.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,608.80 : 330,656.04 = 132,189.12 : x
  2. Step 2: Convert to fraction form
    239,608.80/330,656.04 = 132,189.12/x
  3. Step 3: Cross multiply
    239,608.80x = 330,656.04 × 132,189.12
  4. Step 4: Simplify right side
    239,608.80x = 43,709,130,950.28
  5. Step 5: Solve for x
    x = 43,709,130,950.28/239,608.80
  6. Step 6: Final answer
    x = 182,418.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.