Home / 319,891.20-479,837.44-83,233.52

Finding the Fourth Proportional to 319,891.20, 479,837.44 and 83,233.52

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Solution

The fourth proportional to 319,891.20, 479,837.44 and 83,233.52 is: 124,850.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,891.20 : 479,837.44 = 83,233.52 : x
  2. Step 2: Convert to fraction form
    319,891.20/479,837.44 = 83,233.52/x
  3. Step 3: Cross multiply
    319,891.20x = 479,837.44 × 83,233.52
  4. Step 4: Simplify right side
    319,891.20x = 39,938,559,158.99
  5. Step 5: Solve for x
    x = 39,938,559,158.99/319,891.20
  6. Step 6: Final answer
    x = 124,850.45

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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.