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Finding the Fourth Proportional to 202,285.70, 303,428.55 and 123,553.70

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Solution

The fourth proportional to 202,285.70, 303,428.55 and 123,553.70 is: 185,330.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,285.70 : 303,428.55 = 123,553.70 : x
  2. Step 2: Convert to fraction form
    202,285.70/303,428.55 = 123,553.70/x
  3. Step 3: Cross multiply
    202,285.70x = 303,428.55 × 123,553.70
  4. Step 4: Simplify right side
    202,285.70x = 37,489,720,038.14
  5. Step 5: Solve for x
    x = 37,489,720,038.14/202,285.70
  6. Step 6: Final answer
    x = 185,330.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.