Home / 226,471.14-312,522.30-145,902.06

Finding the Fourth Proportional to 226,471.14, 312,522.30 and 145,902.06

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Solution

The fourth proportional to 226,471.14, 312,522.30 and 145,902.06 is: 201,339.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,471.14 : 312,522.30 = 145,902.06 : x
  2. Step 2: Convert to fraction form
    226,471.14/312,522.30 = 145,902.06/x
  3. Step 3: Cross multiply
    226,471.14x = 312,522.30 × 145,902.06
  4. Step 4: Simplify right side
    226,471.14x = 45,597,647,365.94
  5. Step 5: Solve for x
    x = 45,597,647,365.94/226,471.14
  6. Step 6: Final answer
    x = 201,339.77

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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.