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Finding the Fourth Proportional to 204,060.70, 306,090.66 and 54,301

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Solution

The fourth proportional to 204,060.70, 306,090.66 and 54,301 is: 81,451.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,060.70 : 306,090.66 = 54,301 : x
  2. Step 2: Convert to fraction form
    204,060.70/306,090.66 = 54,301/x
  3. Step 3: Cross multiply
    204,060.70x = 306,090.66 × 54,301
  4. Step 4: Simplify right side
    204,060.70x = 16,621,028,928.66
  5. Step 5: Solve for x
    x = 16,621,028,928.66/204,060.70
  6. Step 6: Final answer
    x = 81,451.40

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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.