Home / 311,909.49-467,538.61-226,313.55

Finding the Fourth Proportional to 311,909.49, 467,538.61 and 226,313.55

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Solution

The fourth proportional to 311,909.49, 467,538.61 and 226,313.55 is: 339,234.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,909.49 : 467,538.61 = 226,313.55 : x
  2. Step 2: Convert to fraction form
    311,909.49/467,538.61 = 226,313.55/x
  3. Step 3: Cross multiply
    311,909.49x = 467,538.61 × 226,313.55
  4. Step 4: Simplify right side
    311,909.49x = 105,810,322,591.17
  5. Step 5: Solve for x
    x = 105,810,322,591.17/311,909.49
  6. Step 6: Final answer
    x = 339,234.06

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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.