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Finding the Fourth Proportional to 303,084.07, 454,672.83 and 103,357.74

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Solution

The fourth proportional to 303,084.07, 454,672.83 and 103,357.74 is: 155,052.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,084.07 : 454,672.83 = 103,357.74 : x
  2. Step 2: Convert to fraction form
    303,084.07/454,672.83 = 103,357.74/x
  3. Step 3: Cross multiply
    303,084.07x = 454,672.83 × 103,357.74
  4. Step 4: Simplify right side
    303,084.07x = 46,993,956,148.20
  5. Step 5: Solve for x
    x = 46,993,956,148.20/303,084.07
  6. Step 6: Final answer
    x = 155,052.54

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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.