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Finding the Fourth Proportional to 202,243.30, 303,802.35 and 143,194.30

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Solution

The fourth proportional to 202,243.30, 303,802.35 and 143,194.30 is: 215,101.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,243.30 : 303,802.35 = 143,194.30 : x
  2. Step 2: Convert to fraction form
    202,243.30/303,802.35 = 143,194.30/x
  3. Step 3: Cross multiply
    202,243.30x = 303,802.35 × 143,194.30
  4. Step 4: Simplify right side
    202,243.30x = 43,502,764,846.61
  5. Step 5: Solve for x
    x = 43,502,764,846.61/202,243.30
  6. Step 6: Final answer
    x = 215,101.14

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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.