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Finding the Fourth Proportional to 239,638.60, 330,701.30 and 132,208.89

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Solution

The fourth proportional to 239,638.60, 330,701.30 and 132,208.89 is: 182,448.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,638.60 : 330,701.30 = 132,208.89 : x
  2. Step 2: Convert to fraction form
    239,638.60/330,701.30 = 132,208.89/x
  3. Step 3: Cross multiply
    239,638.60x = 330,701.30 × 132,208.89
  4. Step 4: Simplify right side
    239,638.60x = 43,721,651,794.56
  5. Step 5: Solve for x
    x = 43,721,651,794.56/239,638.60
  6. Step 6: Final answer
    x = 182,448.29

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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.