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Finding the Fourth Proportional to 253,959.60, 380,593.80 and 180,001.20

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Solution

The fourth proportional to 253,959.60, 380,593.80 and 180,001.20 is: 269,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,959.60 : 380,593.80 = 180,001.20 : x
  2. Step 2: Convert to fraction form
    253,959.60/380,593.80 = 180,001.20/x
  3. Step 3: Cross multiply
    253,959.60x = 380,593.80 × 180,001.20
  4. Step 4: Simplify right side
    253,959.60x = 68,507,340,712.56
  5. Step 5: Solve for x
    x = 68,507,340,712.56/253,959.60
  6. Step 6: Final answer
    x = 269,756.85

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1.5x scale

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.