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Finding the Fourth Proportional to 303,972.42, 419,503.66 and 168,003.44

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Solution

The fourth proportional to 303,972.42, 419,503.66 and 168,003.44 is: 231,856.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,972.42 : 419,503.66 = 168,003.44 : x
  2. Step 2: Convert to fraction form
    303,972.42/419,503.66 = 168,003.44/x
  3. Step 3: Cross multiply
    303,972.42x = 419,503.66 × 168,003.44
  4. Step 4: Simplify right side
    303,972.42x = 70,478,058,601.34
  5. Step 5: Solve for x
    x = 70,478,058,601.34/303,972.42
  6. Step 6: Final answer
    x = 231,856.75

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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.