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Finding the Fourth Proportional to 376,712.01, 564,782.90 and 187,249.77

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Solution

The fourth proportional to 376,712.01, 564,782.90 and 187,249.77 is: 280,732.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,712.01 : 564,782.90 = 187,249.77 : x
  2. Step 2: Convert to fraction form
    376,712.01/564,782.90 = 187,249.77/x
  3. Step 3: Cross multiply
    376,712.01x = 564,782.90 × 187,249.77
  4. Step 4: Simplify right side
    376,712.01x = 105,755,467,188.68
  5. Step 5: Solve for x
    x = 105,755,467,188.68/376,712.01
  6. Step 6: Final answer
    x = 280,732.93

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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.