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Finding the Fourth Proportional to 202,224.40, 303,190.80 and 132,143.20

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Solution

The fourth proportional to 202,224.40, 303,190.80 and 132,143.20 is: 198,119.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,224.40 : 303,190.80 = 132,143.20 : x
  2. Step 2: Convert to fraction form
    202,224.40/303,190.80 = 132,143.20/x
  3. Step 3: Cross multiply
    202,224.40x = 303,190.80 × 132,143.20
  4. Step 4: Simplify right side
    202,224.40x = 40,064,602,522.56
  5. Step 5: Solve for x
    x = 40,064,602,522.56/202,224.40
  6. Step 6: Final answer
    x = 198,119.53

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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.