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Finding the Fourth Proportional to 202,334.90, 303,538.80 and 84,018.20

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Solution

The fourth proportional to 202,334.90, 303,538.80 and 84,018.20 is: 126,042.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,334.90 : 303,538.80 = 84,018.20 : x
  2. Step 2: Convert to fraction form
    202,334.90/303,538.80 = 84,018.20/x
  3. Step 3: Cross multiply
    202,334.90x = 303,538.80 × 84,018.20
  4. Step 4: Simplify right side
    202,334.90x = 25,502,783,606.16
  5. Step 5: Solve for x
    x = 25,502,783,606.16/202,334.90
  6. Step 6: Final answer
    x = 126,042.44

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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.