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Finding the Fourth Proportional to 373,520.88, 515,502 and 207,965.52

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Solution

The fourth proportional to 373,520.88, 515,502 and 207,965.52 is: 287,016.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,520.88 : 515,502 = 207,965.52 : x
  2. Step 2: Convert to fraction form
    373,520.88/515,502 = 207,965.52/x
  3. Step 3: Cross multiply
    373,520.88x = 515,502 × 207,965.52
  4. Step 4: Simplify right side
    373,520.88x = 107,206,641,491.04
  5. Step 5: Solve for x
    x = 107,206,641,491.04/373,520.88
  6. Step 6: Final answer
    x = 287,016.46

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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.