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Finding the Fourth Proportional to 403,217.60, 603,951.60 and 333,233.60

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Solution

The fourth proportional to 403,217.60, 603,951.60 and 333,233.60 is: 499,127.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,217.60 : 603,951.60 = 333,233.60 : x
  2. Step 2: Convert to fraction form
    403,217.60/603,951.60 = 333,233.60/x
  3. Step 3: Cross multiply
    403,217.60x = 603,951.60 × 333,233.60
  4. Step 4: Simplify right side
    403,217.60x = 201,256,965,893.76
  5. Step 5: Solve for x
    x = 201,256,965,893.76/403,217.60
  6. Step 6: Final answer
    x = 499,127.43

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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.