Home / 285,667.41-428,641.37-114,882.22

Finding the Fourth Proportional to 285,667.41, 428,641.37 and 114,882.22

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Solution

The fourth proportional to 285,667.41, 428,641.37 and 114,882.22 is: 172,379.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,667.41 : 428,641.37 = 114,882.22 : x
  2. Step 2: Convert to fraction form
    285,667.41/428,641.37 = 114,882.22/x
  3. Step 3: Cross multiply
    285,667.41x = 428,641.37 × 114,882.22
  4. Step 4: Simplify right side
    285,667.41x = 49,243,272,169.44
  5. Step 5: Solve for x
    x = 49,243,272,169.44/285,667.41
  6. Step 6: Final answer
    x = 172,379.73

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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.