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Finding the Fourth Proportional to 310,344.30, 465,516.45 and 192,246.30

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Solution

The fourth proportional to 310,344.30, 465,516.45 and 192,246.30 is: 288,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,344.30 : 465,516.45 = 192,246.30 : x
  2. Step 2: Convert to fraction form
    310,344.30/465,516.45 = 192,246.30/x
  3. Step 3: Cross multiply
    310,344.30x = 465,516.45 × 192,246.30
  4. Step 4: Simplify right side
    310,344.30x = 89,493,815,101.64
  5. Step 5: Solve for x
    x = 89,493,815,101.64/310,344.30
  6. Step 6: Final answer
    x = 288,369.45

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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.