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Finding the Fourth Proportional to 300,882.56, 415,263.67 and 192,033.88

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Solution

The fourth proportional to 300,882.56, 415,263.67 and 192,033.88 is: 265,035.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,882.56 : 415,263.67 = 192,033.88 : x
  2. Step 2: Convert to fraction form
    300,882.56/415,263.67 = 192,033.88/x
  3. Step 3: Cross multiply
    300,882.56x = 415,263.67 × 192,033.88
  4. Step 4: Simplify right side
    300,882.56x = 79,744,695,130.85
  5. Step 5: Solve for x
    x = 79,744,695,130.85/300,882.56
  6. Step 6: Final answer
    x = 265,035.95

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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.