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Finding the Fourth Proportional to 202,238.60, 303,357.90 and 199,614.20

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Solution

The fourth proportional to 202,238.60, 303,357.90 and 199,614.20 is: 299,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,238.60 : 303,357.90 = 199,614.20 : x
  2. Step 2: Convert to fraction form
    202,238.60/303,357.90 = 199,614.20/x
  3. Step 3: Cross multiply
    202,238.60x = 303,357.90 × 199,614.20
  4. Step 4: Simplify right side
    202,238.60x = 60,554,544,522.18
  5. Step 5: Solve for x
    x = 60,554,544,522.18/202,238.60
  6. Step 6: Final answer
    x = 299,421.30

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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.