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Finding the Fourth Proportional to 373,188.39, 515,000.01 and 203,422.51

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Solution

The fourth proportional to 373,188.39, 515,000.01 and 203,422.51 is: 280,723.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,188.39 : 515,000.01 = 203,422.51 : x
  2. Step 2: Convert to fraction form
    373,188.39/515,000.01 = 203,422.51/x
  3. Step 3: Cross multiply
    373,188.39x = 515,000.01 × 203,422.51
  4. Step 4: Simplify right side
    373,188.39x = 104,762,594,684.23
  5. Step 5: Solve for x
    x = 104,762,594,684.23/373,188.39
  6. Step 6: Final answer
    x = 280,723.08

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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.