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Finding the Fourth Proportional to 335,960.97, 503,935.25 and 83,242.07

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Solution

The fourth proportional to 335,960.97, 503,935.25 and 83,242.07 is: 124,861.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,960.97 : 503,935.25 = 83,242.07 : x
  2. Step 2: Convert to fraction form
    335,960.97/503,935.25 = 83,242.07/x
  3. Step 3: Cross multiply
    335,960.97x = 503,935.25 × 83,242.07
  4. Step 4: Simplify right side
    335,960.97x = 41,948,614,199.60
  5. Step 5: Solve for x
    x = 41,948,614,199.60/335,960.97
  6. Step 6: Final answer
    x = 124,861.57

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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.