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Finding the Fourth Proportional to 202,610.16, 303,996.24 and 84,363.12

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Solution

The fourth proportional to 202,610.16, 303,996.24 and 84,363.12 is: 126,578.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,610.16 : 303,996.24 = 84,363.12 : x
  2. Step 2: Convert to fraction form
    202,610.16/303,996.24 = 84,363.12/x
  3. Step 3: Cross multiply
    202,610.16x = 303,996.24 × 84,363.12
  4. Step 4: Simplify right side
    202,610.16x = 25,646,071,274.67
  5. Step 5: Solve for x
    x = 25,646,071,274.67/202,610.16
  6. Step 6: Final answer
    x = 126,578.41

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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.