Home / 204,401.21-306,617.09-54,638.06

Finding the Fourth Proportional to 204,401.21, 306,617.09 and 54,638.06

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Solution

The fourth proportional to 204,401.21, 306,617.09 and 54,638.06 is: 81,961.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,401.21 : 306,617.09 = 54,638.06 : x
  2. Step 2: Convert to fraction form
    204,401.21/306,617.09 = 54,638.06/x
  3. Step 3: Cross multiply
    204,401.21x = 306,617.09 × 54,638.06
  4. Step 4: Simplify right side
    204,401.21x = 16,752,961,154.17
  5. Step 5: Solve for x
    x = 16,752,961,154.17/204,401.21
  6. Step 6: Final answer
    x = 81,961.17

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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.