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Finding the Fourth Proportional to 363,145.08, 501,082.41 and 201,999.63

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Solution

The fourth proportional to 363,145.08, 501,082.41 and 201,999.63 is: 278,727.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,145.08 : 501,082.41 = 201,999.63 : x
  2. Step 2: Convert to fraction form
    363,145.08/501,082.41 = 201,999.63/x
  3. Step 3: Cross multiply
    363,145.08x = 501,082.41 × 201,999.63
  4. Step 4: Simplify right side
    363,145.08x = 101,218,461,419.51
  5. Step 5: Solve for x
    x = 101,218,461,419.51/363,145.08
  6. Step 6: Final answer
    x = 278,727.34

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1.5x scale

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.