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Finding the Fourth Proportional to 376,112.88, 564,222 and 109,892.88

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Solution

The fourth proportional to 376,112.88, 564,222 and 109,892.88 is: 164,854.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,112.88 : 564,222 = 109,892.88 : x
  2. Step 2: Convert to fraction form
    376,112.88/564,222 = 109,892.88/x
  3. Step 3: Cross multiply
    376,112.88x = 564,222 × 109,892.88
  4. Step 4: Simplify right side
    376,112.88x = 62,003,980,539.36
  5. Step 5: Solve for x
    x = 62,003,980,539.36/376,112.88
  6. Step 6: Final answer
    x = 164,854.71

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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.