Home / 340,965.87-511,366.68-104,310.60

Finding the Fourth Proportional to 340,965.87, 511,366.68 and 104,310.60

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Solution

The fourth proportional to 340,965.87, 511,366.68 and 104,310.60 is: 156,440.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,965.87 : 511,366.68 = 104,310.60 : x
  2. Step 2: Convert to fraction form
    340,965.87/511,366.68 = 104,310.60/x
  3. Step 3: Cross multiply
    340,965.87x = 511,366.68 × 104,310.60
  4. Step 4: Simplify right side
    340,965.87x = 53,340,965,210.81
  5. Step 5: Solve for x
    x = 53,340,965,210.81/340,965.87
  6. Step 6: Final answer
    x = 156,440.78

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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.