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Finding the Fourth Proportional to 343,835.82, 515,751.43 and 187,060.73

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Solution

The fourth proportional to 343,835.82, 515,751.43 and 187,060.73 is: 280,589.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,835.82 : 515,751.43 = 187,060.73 : x
  2. Step 2: Convert to fraction form
    343,835.82/515,751.43 = 187,060.73/x
  3. Step 3: Cross multiply
    343,835.82x = 515,751.43 × 187,060.73
  4. Step 4: Simplify right side
    343,835.82x = 96,476,838,994.34
  5. Step 5: Solve for x
    x = 96,476,838,994.34/343,835.82
  6. Step 6: Final answer
    x = 280,589.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.