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Finding the Fourth Proportional to 242,212.44, 334,346.22 and 181,957.86

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Solution

The fourth proportional to 242,212.44, 334,346.22 and 181,957.86 is: 251,171.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,212.44 : 334,346.22 = 181,957.86 : x
  2. Step 2: Convert to fraction form
    242,212.44/334,346.22 = 181,957.86/x
  3. Step 3: Cross multiply
    242,212.44x = 334,346.22 × 181,957.86
  4. Step 4: Simplify right side
    242,212.44x = 60,836,922,690.29
  5. Step 5: Solve for x
    x = 60,836,922,690.29/242,212.44
  6. Step 6: Final answer
    x = 251,171.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.