Home / 235,512.70-353,982.76-155,822.47

Finding the Fourth Proportional to 235,512.70, 353,982.76 and 155,822.47

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Solution

The fourth proportional to 235,512.70, 353,982.76 and 155,822.47 is: 234,205.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,512.70 : 353,982.76 = 155,822.47 : x
  2. Step 2: Convert to fraction form
    235,512.70/353,982.76 = 155,822.47/x
  3. Step 3: Cross multiply
    235,512.70x = 353,982.76 × 155,822.47
  4. Step 4: Simplify right side
    235,512.70x = 55,158,468,000.62
  5. Step 5: Solve for x
    x = 55,158,468,000.62/235,512.70
  6. Step 6: Final answer
    x = 234,205.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.