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Finding the Fourth Proportional to 202,709.49, 303,935.45 and 177,799.56

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Solution

The fourth proportional to 202,709.49, 303,935.45 and 177,799.56 is: 266,586.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,709.49 : 303,935.45 = 177,799.56 : x
  2. Step 2: Convert to fraction form
    202,709.49/303,935.45 = 177,799.56/x
  3. Step 3: Cross multiply
    202,709.49x = 303,935.45 × 177,799.56
  4. Step 4: Simplify right side
    202,709.49x = 54,039,588,389.40
  5. Step 5: Solve for x
    x = 54,039,588,389.40/202,709.49
  6. Step 6: Final answer
    x = 266,586.38

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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.