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Finding the Fourth Proportional to 300,022.26, 449,858.43 and 89,603.70

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Solution

The fourth proportional to 300,022.26, 449,858.43 and 89,603.70 is: 134,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,022.26 : 449,858.43 = 89,603.70 : x
  2. Step 2: Convert to fraction form
    300,022.26/449,858.43 = 89,603.70/x
  3. Step 3: Cross multiply
    300,022.26x = 449,858.43 × 89,603.70
  4. Step 4: Simplify right side
    300,022.26x = 40,308,979,804.19
  5. Step 5: Solve for x
    x = 40,308,979,804.19/300,022.26
  6. Step 6: Final answer
    x = 134,353.30

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1.5x scale

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.