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Finding the Fourth Proportional to 300,492.90, 450,084.33 and 150,471.54

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Solution

The fourth proportional to 300,492.90, 450,084.33 and 150,471.54 is: 225,379.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,492.90 : 450,084.33 = 150,471.54 : x
  2. Step 2: Convert to fraction form
    300,492.90/450,084.33 = 150,471.54/x
  3. Step 3: Cross multiply
    300,492.90x = 450,084.33 × 150,471.54
  4. Step 4: Simplify right side
    300,492.90x = 67,724,882,264.97
  5. Step 5: Solve for x
    x = 67,724,882,264.97/300,492.90
  6. Step 6: Final answer
    x = 225,379.31

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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.