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Finding the Fourth Proportional to 234,212.64, 323,217.93 and 137,473.44

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Solution

The fourth proportional to 234,212.64, 323,217.93 and 137,473.44 is: 189,715.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,212.64 : 323,217.93 = 137,473.44 : x
  2. Step 2: Convert to fraction form
    234,212.64/323,217.93 = 137,473.44/x
  3. Step 3: Cross multiply
    234,212.64x = 323,217.93 × 137,473.44
  4. Step 4: Simplify right side
    234,212.64x = 44,433,880,706.78
  5. Step 5: Solve for x
    x = 44,433,880,706.78/234,212.64
  6. Step 6: Final answer
    x = 189,715.98

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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.