Home / 421,233.24-581,299.74-230,257.56

Finding the Fourth Proportional to 421,233.24, 581,299.74 and 230,257.56

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Solution

The fourth proportional to 421,233.24, 581,299.74 and 230,257.56 is: 317,754.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,233.24 : 581,299.74 = 230,257.56 : x
  2. Step 2: Convert to fraction form
    421,233.24/581,299.74 = 230,257.56/x
  3. Step 3: Cross multiply
    421,233.24x = 581,299.74 × 230,257.56
  4. Step 4: Simplify right side
    421,233.24x = 133,848,659,761.03
  5. Step 5: Solve for x
    x = 133,848,659,761.03/421,233.24
  6. Step 6: Final answer
    x = 317,754.27

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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.