Home / 331,961.36-498,059.15-142,414.07

Finding the Fourth Proportional to 331,961.36, 498,059.15 and 142,414.07

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Solution

The fourth proportional to 331,961.36, 498,059.15 and 142,414.07 is: 213,671.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,961.36 : 498,059.15 = 142,414.07 : x
  2. Step 2: Convert to fraction form
    331,961.36/498,059.15 = 142,414.07/x
  3. Step 3: Cross multiply
    331,961.36x = 498,059.15 × 142,414.07
  4. Step 4: Simplify right side
    331,961.36x = 70,930,627,449.87
  5. Step 5: Solve for x
    x = 70,930,627,449.87/331,961.36
  6. Step 6: Final answer
    x = 213,671.34

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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.