Home / 251,788.92-347,515.32-144,359.70

Finding the Fourth Proportional to 251,788.92, 347,515.32 and 144,359.70

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Solution

The fourth proportional to 251,788.92, 347,515.32 and 144,359.70 is: 199,243.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,788.92 : 347,515.32 = 144,359.70 : x
  2. Step 2: Convert to fraction form
    251,788.92/347,515.32 = 144,359.70/x
  3. Step 3: Cross multiply
    251,788.92x = 347,515.32 × 144,359.70
  4. Step 4: Simplify right side
    251,788.92x = 50,167,207,340.60
  5. Step 5: Solve for x
    x = 50,167,207,340.60/251,788.92
  6. Step 6: Final answer
    x = 199,243.11

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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.