Home / 220,971.24-331,396.32-61,008.90

Finding the Fourth Proportional to 220,971.24, 331,396.32 and 61,008.90

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Solution

The fourth proportional to 220,971.24, 331,396.32 and 61,008.90 is: 91,496.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,971.24 : 331,396.32 = 61,008.90 : x
  2. Step 2: Convert to fraction form
    220,971.24/331,396.32 = 61,008.90/x
  3. Step 3: Cross multiply
    220,971.24x = 331,396.32 × 61,008.90
  4. Step 4: Simplify right side
    220,971.24x = 20,218,124,947.25
  5. Step 5: Solve for x
    x = 20,218,124,947.25/220,971.24
  6. Step 6: Final answer
    x = 91,496.64

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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.