Home / 226,221.24-311,975.34-145,506.36

Finding the Fourth Proportional to 226,221.24, 311,975.34 and 145,506.36

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Solution

The fourth proportional to 226,221.24, 311,975.34 and 145,506.36 is: 200,663.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,221.24 : 311,975.34 = 145,506.36 : x
  2. Step 2: Convert to fraction form
    226,221.24/311,975.34 = 145,506.36/x
  3. Step 3: Cross multiply
    226,221.24x = 311,975.34 × 145,506.36
  4. Step 4: Simplify right side
    226,221.24x = 45,394,396,133.16
  5. Step 5: Solve for x
    x = 45,394,396,133.16/226,221.24
  6. Step 6: Final answer
    x = 200,663.72

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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.