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Finding the Fourth Proportional to 303,170.98, 454,678.89 and 89,889.02

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Solution

The fourth proportional to 303,170.98, 454,678.89 and 89,889.02 is: 134,810.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,170.98 : 454,678.89 = 89,889.02 : x
  2. Step 2: Convert to fraction form
    303,170.98/454,678.89 = 89,889.02/x
  3. Step 3: Cross multiply
    303,170.98x = 454,678.89 × 89,889.02
  4. Step 4: Simplify right side
    303,170.98x = 40,870,639,836.79
  5. Step 5: Solve for x
    x = 40,870,639,836.79/303,170.98
  6. Step 6: Final answer
    x = 134,810.53

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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.