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Finding the Fourth Proportional to 636,571.82, 954,975.62 and 210,137.34

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Solution

The fourth proportional to 636,571.82, 954,975.62 and 210,137.34 is: 315,244.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,571.82 : 954,975.62 = 210,137.34 : x
  2. Step 2: Convert to fraction form
    636,571.82/954,975.62 = 210,137.34/x
  3. Step 3: Cross multiply
    636,571.82x = 954,975.62 × 210,137.34
  4. Step 4: Simplify right side
    636,571.82x = 200,676,035,500.96
  5. Step 5: Solve for x
    x = 200,676,035,500.96/636,571.82
  6. Step 6: Final answer
    x = 315,244.93

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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.