Home / 269,823.96-404,699.05-80,313.58

Finding the Fourth Proportional to 269,823.96, 404,699.05 and 80,313.58

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Solution

The fourth proportional to 269,823.96, 404,699.05 and 80,313.58 is: 120,459.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,823.96 : 404,699.05 = 80,313.58 : x
  2. Step 2: Convert to fraction form
    269,823.96/404,699.05 = 80,313.58/x
  3. Step 3: Cross multiply
    269,823.96x = 404,699.05 × 80,313.58
  4. Step 4: Simplify right side
    269,823.96x = 32,502,827,857.93
  5. Step 5: Solve for x
    x = 32,502,827,857.93/269,823.96
  6. Step 6: Final answer
    x = 120,459.38

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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.