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Finding the Fourth Proportional to 204,666.60, 306,999.90 and 154,474.95

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Solution

The fourth proportional to 204,666.60, 306,999.90 and 154,474.95 is: 231,712.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,666.60 : 306,999.90 = 154,474.95 : x
  2. Step 2: Convert to fraction form
    204,666.60/306,999.90 = 154,474.95/x
  3. Step 3: Cross multiply
    204,666.60x = 306,999.90 × 154,474.95
  4. Step 4: Simplify right side
    204,666.60x = 47,423,794,202.51
  5. Step 5: Solve for x
    x = 47,423,794,202.51/204,666.60
  6. Step 6: Final answer
    x = 231,712.43

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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.