Home / 331,338.25-497,007.38-82,020.25

Finding the Fourth Proportional to 331,338.25, 497,007.38 and 82,020.25

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Solution

The fourth proportional to 331,338.25, 497,007.38 and 82,020.25 is: 123,030.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,338.25 : 497,007.38 = 82,020.25 : x
  2. Step 2: Convert to fraction form
    331,338.25/497,007.38 = 82,020.25/x
  3. Step 3: Cross multiply
    331,338.25x = 497,007.38 × 82,020.25
  4. Step 4: Simplify right side
    331,338.25x = 40,764,669,559.45
  5. Step 5: Solve for x
    x = 40,764,669,559.45/331,338.25
  6. Step 6: Final answer
    x = 123,030.38

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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.