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Finding the Fourth Proportional to 335,170.67, 502,082.85 and 155,003.56

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Solution

The fourth proportional to 335,170.67, 502,082.85 and 155,003.56 is: 232,194.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,170.67 : 502,082.85 = 155,003.56 : x
  2. Step 2: Convert to fraction form
    335,170.67/502,082.85 = 155,003.56/x
  3. Step 3: Cross multiply
    335,170.67x = 502,082.85 × 155,003.56
  4. Step 4: Simplify right side
    335,170.67x = 77,824,629,501.92
  5. Step 5: Solve for x
    x = 77,824,629,501.92/335,170.67
  6. Step 6: Final answer
    x = 232,194.03

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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.