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Finding the Fourth Proportional to 204,472.40, 306,718.20 and 64,235.60

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Solution

The fourth proportional to 204,472.40, 306,718.20 and 64,235.60 is: 96,356.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,472.40 : 306,718.20 = 64,235.60 : x
  2. Step 2: Convert to fraction form
    204,472.40/306,718.20 = 64,235.60/x
  3. Step 3: Cross multiply
    204,472.40x = 306,718.20 × 64,235.60
  4. Step 4: Simplify right side
    204,472.40x = 19,702,227,607.92
  5. Step 5: Solve for x
    x = 19,702,227,607.92/204,472.40
  6. Step 6: Final answer
    x = 96,356.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.