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Finding the Fourth Proportional to 363,606.72, 501,776.01 and 202,463.70

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Solution

The fourth proportional to 363,606.72, 501,776.01 and 202,463.70 is: 279,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,606.72 : 501,776.01 = 202,463.70 : x
  2. Step 2: Convert to fraction form
    363,606.72/501,776.01 = 202,463.70/x
  3. Step 3: Cross multiply
    363,606.72x = 501,776.01 × 202,463.70
  4. Step 4: Simplify right side
    363,606.72x = 101,591,427,555.84
  5. Step 5: Solve for x
    x = 101,591,427,555.84/363,606.72
  6. Step 6: Final answer
    x = 279,399.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.