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Finding the Fourth Proportional to 447,462.93, 671,188.31 and 163,216.11

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Solution

The fourth proportional to 447,462.93, 671,188.31 and 163,216.11 is: 244,821.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,462.93 : 671,188.31 = 163,216.11 : x
  2. Step 2: Convert to fraction form
    447,462.93/671,188.31 = 163,216.11/x
  3. Step 3: Cross multiply
    447,462.93x = 671,188.31 × 163,216.11
  4. Step 4: Simplify right side
    447,462.93x = 109,548,744,219.59
  5. Step 5: Solve for x
    x = 109,548,744,219.59/447,462.93
  6. Step 6: Final answer
    x = 244,821.94

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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.