Home / 319,416.27-479,224.16-94,777.82

Finding the Fourth Proportional to 319,416.27, 479,224.16 and 94,777.82

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Solution

The fourth proportional to 319,416.27, 479,224.16 and 94,777.82 is: 142,196.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,416.27 : 479,224.16 = 94,777.82 : x
  2. Step 2: Convert to fraction form
    319,416.27/479,224.16 = 94,777.82/x
  3. Step 3: Cross multiply
    319,416.27x = 479,224.16 × 94,777.82
  4. Step 4: Simplify right side
    319,416.27x = 45,419,821,176.13
  5. Step 5: Solve for x
    x = 45,419,821,176.13/319,416.27
  6. Step 6: Final answer
    x = 142,196.33

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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.