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Finding the Fourth Proportional to 373,199.37, 515,015.13 and 203,433.49

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Solution

The fourth proportional to 373,199.37, 515,015.13 and 203,433.49 is: 280,738.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,199.37 : 515,015.13 = 203,433.49 : x
  2. Step 2: Convert to fraction form
    373,199.37/515,015.13 = 203,433.49/x
  3. Step 3: Cross multiply
    373,199.37x = 515,015.13 × 203,433.49
  4. Step 4: Simplify right side
    373,199.37x = 104,771,325,298.70
  5. Step 5: Solve for x
    x = 104,771,325,298.70/373,199.37
  6. Step 6: Final answer
    x = 280,738.22

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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.