Home / 319,564.48-479,514.39-120,022.60

Finding the Fourth Proportional to 319,564.48, 479,514.39 and 120,022.60

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Solution

The fourth proportional to 319,564.48, 479,514.39 and 120,022.60 is: 180,096.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,564.48 : 479,514.39 = 120,022.60 : x
  2. Step 2: Convert to fraction form
    319,564.48/479,514.39 = 120,022.60/x
  3. Step 3: Cross multiply
    319,564.48x = 479,514.39 × 120,022.60
  4. Step 4: Simplify right side
    319,564.48x = 57,552,560,827.53
  5. Step 5: Solve for x
    x = 57,552,560,827.53/319,564.48
  6. Step 6: Final answer
    x = 180,096.87

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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.