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Finding the Fourth Proportional to 636,732.92, 954,893.46 and 210,172.92

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Solution

The fourth proportional to 636,732.92, 954,893.46 and 210,172.92 is: 315,191.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,732.92 : 954,893.46 = 210,172.92 : x
  2. Step 2: Convert to fraction form
    636,732.92/954,893.46 = 210,172.92/x
  3. Step 3: Cross multiply
    636,732.92x = 954,893.46 × 210,172.92
  4. Step 4: Simplify right side
    636,732.92x = 200,692,746,777.10
  5. Step 5: Solve for x
    x = 200,692,746,777.10/636,732.92
  6. Step 6: Final answer
    x = 315,191.41

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1.5x scale

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.