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Finding the Fourth Proportional to 289,536, 399,576.08 and 162,252.60

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Solution

The fourth proportional to 289,536, 399,576.08 and 162,252.60 is: 223,917.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,536 : 399,576.08 = 162,252.60 : x
  2. Step 2: Convert to fraction form
    289,536/399,576.08 = 162,252.60/x
  3. Step 3: Cross multiply
    289,536x = 399,576.08 × 162,252.60
  4. Step 4: Simplify right side
    289,536x = 64,832,257,877.81
  5. Step 5: Solve for x
    x = 64,832,257,877.81/289,536
  6. Step 6: Final answer
    x = 223,917.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.