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Finding the Fourth Proportional to 447,887.88, 672,120.86 and 163,554.64

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Solution

The fourth proportional to 447,887.88, 672,120.86 and 163,554.64 is: 245,437.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,887.88 : 672,120.86 = 163,554.64 : x
  2. Step 2: Convert to fraction form
    447,887.88/672,120.86 = 163,554.64/x
  3. Step 3: Cross multiply
    447,887.88x = 672,120.86 × 163,554.64
  4. Step 4: Simplify right side
    447,887.88x = 109,928,485,293.79
  5. Step 5: Solve for x
    x = 109,928,485,293.79/447,887.88
  6. Step 6: Final answer
    x = 245,437.51

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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.