Home / 230,800.35-346,351.90-81,036.78

Finding the Fourth Proportional to 230,800.35, 346,351.90 and 81,036.78

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Solution

The fourth proportional to 230,800.35, 346,351.90 and 81,036.78 is: 121,608.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,800.35 : 346,351.90 = 81,036.78 : x
  2. Step 2: Convert to fraction form
    230,800.35/346,351.90 = 81,036.78/x
  3. Step 3: Cross multiply
    230,800.35x = 346,351.90 × 81,036.78
  4. Step 4: Simplify right side
    230,800.35x = 28,067,243,321.64
  5. Step 5: Solve for x
    x = 28,067,243,321.64/230,800.35
  6. Step 6: Final answer
    x = 121,608.32

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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.