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Finding the Fourth Proportional to 243,006.72, 364,633.11 and 163,954.95

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Solution

The fourth proportional to 243,006.72, 364,633.11 and 163,954.95 is: 246,015.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,006.72 : 364,633.11 = 163,954.95 : x
  2. Step 2: Convert to fraction form
    243,006.72/364,633.11 = 163,954.95/x
  3. Step 3: Cross multiply
    243,006.72x = 364,633.11 × 163,954.95
  4. Step 4: Simplify right side
    243,006.72x = 59,783,403,318.39
  5. Step 5: Solve for x
    x = 59,783,403,318.39/243,006.72
  6. Step 6: Final answer
    x = 246,015.43

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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.