Home / 204,060.47-306,090.29-54,300.78

Finding the Fourth Proportional to 204,060.47, 306,090.29 and 54,300.78

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Solution

The fourth proportional to 204,060.47, 306,090.29 and 54,300.78 is: 81,451.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,060.47 : 306,090.29 = 54,300.78 : x
  2. Step 2: Convert to fraction form
    204,060.47/306,090.29 = 54,300.78/x
  3. Step 3: Cross multiply
    204,060.47x = 306,090.29 × 54,300.78
  4. Step 4: Simplify right side
    204,060.47x = 16,620,941,633.18
  5. Step 5: Solve for x
    x = 16,620,941,633.18/204,060.47
  6. Step 6: Final answer
    x = 81,451.06

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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.