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Finding the Fourth Proportional to 259,493.52, 389,101.80 and 133,082.46

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Solution

The fourth proportional to 259,493.52, 389,101.80 and 133,082.46 is: 199,552.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,493.52 : 389,101.80 = 133,082.46 : x
  2. Step 2: Convert to fraction form
    259,493.52/389,101.80 = 133,082.46/x
  3. Step 3: Cross multiply
    259,493.52x = 389,101.80 × 133,082.46
  4. Step 4: Simplify right side
    259,493.52x = 51,782,624,734.43
  5. Step 5: Solve for x
    x = 51,782,624,734.43/259,493.52
  6. Step 6: Final answer
    x = 199,552.67

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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.