Home / 226,438.34-339,754.50-76,694.45

Finding the Fourth Proportional to 226,438.34, 339,754.50 and 76,694.45

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Solution

The fourth proportional to 226,438.34, 339,754.50 and 76,694.45 is: 115,074.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,438.34 : 339,754.50 = 76,694.45 : x
  2. Step 2: Convert to fraction form
    226,438.34/339,754.50 = 76,694.45/x
  3. Step 3: Cross multiply
    226,438.34x = 339,754.50 × 76,694.45
  4. Step 4: Simplify right side
    226,438.34x = 26,057,282,813.75
  5. Step 5: Solve for x
    x = 26,057,282,813.75/226,438.34
  6. Step 6: Final answer
    x = 115,074.52

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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.