Home / 239,680.18-330,619.17-153,608.60

Finding the Fourth Proportional to 239,680.18, 330,619.17 and 153,608.60

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Solution

The fourth proportional to 239,680.18, 330,619.17 and 153,608.60 is: 211,890.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,680.18 : 330,619.17 = 153,608.60 : x
  2. Step 2: Convert to fraction form
    239,680.18/330,619.17 = 153,608.60/x
  3. Step 3: Cross multiply
    239,680.18x = 330,619.17 × 153,608.60
  4. Step 4: Simplify right side
    239,680.18x = 50,785,948,375.39
  5. Step 5: Solve for x
    x = 50,785,948,375.39/239,680.18
  6. Step 6: Final answer
    x = 211,890.48

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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.