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Finding the Fourth Proportional to 253,163.28, 349,286.40 and 168,294.72

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Solution

The fourth proportional to 253,163.28, 349,286.40 and 168,294.72 is: 232,194.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,163.28 : 349,286.40 = 168,294.72 : x
  2. Step 2: Convert to fraction form
    253,163.28/349,286.40 = 168,294.72/x
  3. Step 3: Cross multiply
    253,163.28x = 349,286.40 × 168,294.72
  4. Step 4: Simplify right side
    253,163.28x = 58,783,056,887.81
  5. Step 5: Solve for x
    x = 58,783,056,887.81/253,163.28
  6. Step 6: Final answer
    x = 232,194.25

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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.