Home / 204,019.10-306,028.65-54,259.10

Finding the Fourth Proportional to 204,019.10, 306,028.65 and 54,259.10

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Solution

The fourth proportional to 204,019.10, 306,028.65 and 54,259.10 is: 81,388.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,019.10 : 306,028.65 = 54,259.10 : x
  2. Step 2: Convert to fraction form
    204,019.10/306,028.65 = 54,259.10/x
  3. Step 3: Cross multiply
    204,019.10x = 306,028.65 × 54,259.10
  4. Step 4: Simplify right side
    204,019.10x = 16,604,839,123.22
  5. Step 5: Solve for x
    x = 16,604,839,123.22/204,019.10
  6. Step 6: Final answer
    x = 81,388.65

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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.