Home / 226,975.28-313,123.48-154,289.12

Finding the Fourth Proportional to 226,975.28, 313,123.48 and 154,289.12

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Solution

The fourth proportional to 226,975.28, 313,123.48 and 154,289.12 is: 212,849.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,975.28 : 313,123.48 = 154,289.12 : x
  2. Step 2: Convert to fraction form
    226,975.28/313,123.48 = 154,289.12/x
  3. Step 3: Cross multiply
    226,975.28x = 313,123.48 × 154,289.12
  4. Step 4: Simplify right side
    226,975.28x = 48,311,546,180.54
  5. Step 5: Solve for x
    x = 48,311,546,180.54/226,975.28
  6. Step 6: Final answer
    x = 212,849.37

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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.