Home / 269,924.49-405,132.48-143,670.78

Finding the Fourth Proportional to 269,924.49, 405,132.48 and 143,670.78

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Solution

The fourth proportional to 269,924.49, 405,132.48 and 143,670.78 is: 215,636.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,924.49 : 405,132.48 = 143,670.78 : x
  2. Step 2: Convert to fraction form
    269,924.49/405,132.48 = 143,670.78/x
  3. Step 3: Cross multiply
    269,924.49x = 405,132.48 × 143,670.78
  4. Step 4: Simplify right side
    269,924.49x = 58,205,699,404.93
  5. Step 5: Solve for x
    x = 58,205,699,404.93/269,924.49
  6. Step 6: Final answer
    x = 215,636.97

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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.