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Finding the Fourth Proportional to 422,599.92, 633,895.08 and 102,753.60

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Solution

The fourth proportional to 422,599.92, 633,895.08 and 102,753.60 is: 154,129.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,599.92 : 633,895.08 = 102,753.60 : x
  2. Step 2: Convert to fraction form
    422,599.92/633,895.08 = 102,753.60/x
  3. Step 3: Cross multiply
    422,599.92x = 633,895.08 × 102,753.60
  4. Step 4: Simplify right side
    422,599.92x = 65,135,001,492.29
  5. Step 5: Solve for x
    x = 65,135,001,492.29/422,599.92
  6. Step 6: Final answer
    x = 154,129.23

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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.