Home / 226,624.86-339,986.70-74,828.61

Finding the Fourth Proportional to 226,624.86, 339,986.70 and 74,828.61

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Solution

The fourth proportional to 226,624.86, 339,986.70 and 74,828.61 is: 112,259.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,624.86 : 339,986.70 = 74,828.61 : x
  2. Step 2: Convert to fraction form
    226,624.86/339,986.70 = 74,828.61/x
  3. Step 3: Cross multiply
    226,624.86x = 339,986.70 × 74,828.61
  4. Step 4: Simplify right side
    226,624.86x = 25,440,732,179.49
  5. Step 5: Solve for x
    x = 25,440,732,179.49/226,624.86
  6. Step 6: Final answer
    x = 112,259.23

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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.