Home / 221,133.03-304,922.44-149,388.49

Finding the Fourth Proportional to 221,133.03, 304,922.44 and 149,388.49

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Solution

The fourth proportional to 221,133.03, 304,922.44 and 149,388.49 is: 205,993.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,133.03 : 304,922.44 = 149,388.49 : x
  2. Step 2: Convert to fraction form
    221,133.03/304,922.44 = 149,388.49/x
  3. Step 3: Cross multiply
    221,133.03x = 304,922.44 × 149,388.49
  4. Step 4: Simplify right side
    221,133.03x = 45,551,902,878.72
  5. Step 5: Solve for x
    x = 45,551,902,878.72/221,133.03
  6. Step 6: Final answer
    x = 205,993.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.