Home / 230,825.40-346,151.70-81,007.80

Finding the Fourth Proportional to 230,825.40, 346,151.70 and 81,007.80

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Solution

The fourth proportional to 230,825.40, 346,151.70 and 81,007.80 is: 121,481.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,825.40 : 346,151.70 = 81,007.80 : x
  2. Step 2: Convert to fraction form
    230,825.40/346,151.70 = 81,007.80/x
  3. Step 3: Cross multiply
    230,825.40x = 346,151.70 × 81,007.80
  4. Step 4: Simplify right side
    230,825.40x = 28,040,987,683.26
  5. Step 5: Solve for x
    x = 28,040,987,683.26/230,825.40
  6. Step 6: Final answer
    x = 121,481.38

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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.