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Finding the Fourth Proportional to 253,832.87, 380,375.44 and 141,358.52

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Solution

The fourth proportional to 253,832.87, 380,375.44 and 141,358.52 is: 211,829.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,832.87 : 380,375.44 = 141,358.52 : x
  2. Step 2: Convert to fraction form
    253,832.87/380,375.44 = 141,358.52/x
  3. Step 3: Cross multiply
    253,832.87x = 380,375.44 × 141,358.52
  4. Step 4: Simplify right side
    253,832.87x = 53,769,309,840.29
  5. Step 5: Solve for x
    x = 53,769,309,840.29/253,832.87
  6. Step 6: Final answer
    x = 211,829.58

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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.