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Finding the Fourth Proportional to 373,251.84, 515,094.24 and 203,493.12

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Solution

The fourth proportional to 373,251.84, 515,094.24 and 203,493.12 is: 280,824.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,251.84 : 515,094.24 = 203,493.12 : x
  2. Step 2: Convert to fraction form
    373,251.84/515,094.24 = 203,493.12/x
  3. Step 3: Cross multiply
    373,251.84x = 515,094.24 × 203,493.12
  4. Step 4: Simplify right side
    373,251.84x = 104,818,133,991.63
  5. Step 5: Solve for x
    x = 104,818,133,991.63/373,251.84
  6. Step 6: Final answer
    x = 280,824.16

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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.