Home / 319,537.12-479,317.92-82,873.60

Finding the Fourth Proportional to 319,537.12, 479,317.92 and 82,873.60

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Solution

The fourth proportional to 319,537.12, 479,317.92 and 82,873.60 is: 124,313.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,537.12 : 479,317.92 = 82,873.60 : x
  2. Step 2: Convert to fraction form
    319,537.12/479,317.92 = 82,873.60/x
  3. Step 3: Cross multiply
    319,537.12x = 479,317.92 × 82,873.60
  4. Step 4: Simplify right side
    319,537.12x = 39,722,801,574.91
  5. Step 5: Solve for x
    x = 39,722,801,574.91/319,537.12
  6. Step 6: Final answer
    x = 124,313.57

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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.