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Finding the Fourth Proportional to 199,500.60, 275,310.84 and 127,880.76

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Solution

The fourth proportional to 199,500.60, 275,310.84 and 127,880.76 is: 176,475.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,500.60 : 275,310.84 = 127,880.76 : x
  2. Step 2: Convert to fraction form
    199,500.60/275,310.84 = 127,880.76/x
  3. Step 3: Cross multiply
    199,500.60x = 275,310.84 × 127,880.76
  4. Step 4: Simplify right side
    199,500.60x = 35,206,959,455.44
  5. Step 5: Solve for x
    x = 35,206,959,455.44/199,500.60
  6. Step 6: Final answer
    x = 176,475.46

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1.5x scale

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.