Home / 239,258.49-330,184.19-137,302.60

Finding the Fourth Proportional to 239,258.49, 330,184.19 and 137,302.60

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Solution

The fourth proportional to 239,258.49, 330,184.19 and 137,302.60 is: 189,481.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,258.49 : 330,184.19 = 137,302.60 : x
  2. Step 2: Convert to fraction form
    239,258.49/330,184.19 = 137,302.60/x
  3. Step 3: Cross multiply
    239,258.49x = 330,184.19 × 137,302.60
  4. Step 4: Simplify right side
    239,258.49x = 45,335,147,765.89
  5. Step 5: Solve for x
    x = 45,335,147,765.89/239,258.49
  6. Step 6: Final answer
    x = 189,481.88

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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.