Home / 239,815.51-330,945.46-132,385.62

Finding the Fourth Proportional to 239,815.51, 330,945.46 and 132,385.62

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Solution

The fourth proportional to 239,815.51, 330,945.46 and 132,385.62 is: 182,692.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,815.51 : 330,945.46 = 132,385.62 : x
  2. Step 2: Convert to fraction form
    239,815.51/330,945.46 = 132,385.62/x
  3. Step 3: Cross multiply
    239,815.51x = 330,945.46 × 132,385.62
  4. Step 4: Simplify right side
    239,815.51x = 43,812,419,908.29
  5. Step 5: Solve for x
    x = 43,812,419,908.29/239,815.51
  6. Step 6: Final answer
    x = 182,692.19

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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.