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Finding the Fourth Proportional to 541,060.46, 810,952.99 and 221,014.88

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Solution

The fourth proportional to 541,060.46, 810,952.99 and 221,014.88 is: 331,261.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,060.46 : 810,952.99 = 221,014.88 : x
  2. Step 2: Convert to fraction form
    541,060.46/810,952.99 = 221,014.88/x
  3. Step 3: Cross multiply
    541,060.46x = 810,952.99 × 221,014.88
  4. Step 4: Simplify right side
    541,060.46x = 179,232,677,770.49
  5. Step 5: Solve for x
    x = 179,232,677,770.49/541,060.46
  6. Step 6: Final answer
    x = 331,261.83

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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.