Home / 331,490.26-497,235.03-82,172.26

Finding the Fourth Proportional to 331,490.26, 497,235.03 and 82,172.26

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Solution

The fourth proportional to 331,490.26, 497,235.03 and 82,172.26 is: 123,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,490.26 : 497,235.03 = 82,172.26 : x
  2. Step 2: Convert to fraction form
    331,490.26/497,235.03 = 82,172.26/x
  3. Step 3: Cross multiply
    331,490.26x = 497,235.03 × 82,172.26
  4. Step 4: Simplify right side
    331,490.26x = 40,858,926,166.27
  5. Step 5: Solve for x
    x = 40,858,926,166.27/331,490.26
  6. Step 6: Final answer
    x = 123,258.30

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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.