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Finding the Fourth Proportional to 202,291.10, 303,145.05 and 89,879.30

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Solution

The fourth proportional to 202,291.10, 303,145.05 and 89,879.30 is: 134,689.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,291.10 : 303,145.05 = 89,879.30 : x
  2. Step 2: Convert to fraction form
    202,291.10/303,145.05 = 89,879.30/x
  3. Step 3: Cross multiply
    202,291.10x = 303,145.05 × 89,879.30
  4. Step 4: Simplify right side
    202,291.10x = 27,246,464,892.47
  5. Step 5: Solve for x
    x = 27,246,464,892.47/202,291.10
  6. Step 6: Final answer
    x = 134,689.39

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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.