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Finding the Fourth Proportional to 223,327.72, 335,011.43 and 63,405.98

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Solution

The fourth proportional to 223,327.72, 335,011.43 and 63,405.98 is: 95,114.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,327.72 : 335,011.43 = 63,405.98 : x
  2. Step 2: Convert to fraction form
    223,327.72/335,011.43 = 63,405.98/x
  3. Step 3: Cross multiply
    223,327.72x = 335,011.43 × 63,405.98
  4. Step 4: Simplify right side
    223,327.72x = 21,241,728,030.35
  5. Step 5: Solve for x
    x = 21,241,728,030.35/223,327.72
  6. Step 6: Final answer
    x = 95,114.61

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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.