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Finding the Fourth Proportional to 303,306.35, 454,916.32 and 103,635.95

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Solution

The fourth proportional to 303,306.35, 454,916.32 and 103,635.95 is: 155,439.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,306.35 : 454,916.32 = 103,635.95 : x
  2. Step 2: Convert to fraction form
    303,306.35/454,916.32 = 103,635.95/x
  3. Step 3: Cross multiply
    303,306.35x = 454,916.32 × 103,635.95
  4. Step 4: Simplify right side
    303,306.35x = 47,145,684,993.70
  5. Step 5: Solve for x
    x = 47,145,684,993.70/303,306.35
  6. Step 6: Final answer
    x = 155,439.16

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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.