Home / 226,331.28-339,490.80-76,570.56

Finding the Fourth Proportional to 226,331.28, 339,490.80 and 76,570.56

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Solution

The fourth proportional to 226,331.28, 339,490.80 and 76,570.56 is: 114,853.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,331.28 : 339,490.80 = 76,570.56 : x
  2. Step 2: Convert to fraction form
    226,331.28/339,490.80 = 76,570.56/x
  3. Step 3: Cross multiply
    226,331.28x = 339,490.80 × 76,570.56
  4. Step 4: Simplify right side
    226,331.28x = 25,995,000,670.85
  5. Step 5: Solve for x
    x = 25,995,000,670.85/226,331.28
  6. Step 6: Final answer
    x = 114,853.77

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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.