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Finding the Fourth Proportional to 445,873.42, 668,832 and 179,597.98

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Solution

The fourth proportional to 445,873.42, 668,832 and 179,597.98 is: 269,405.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,873.42 : 668,832 = 179,597.98 : x
  2. Step 2: Convert to fraction form
    445,873.42/668,832 = 179,597.98/x
  3. Step 3: Cross multiply
    445,873.42x = 668,832 × 179,597.98
  4. Step 4: Simplify right side
    445,873.42x = 120,120,876,159.36
  5. Step 5: Solve for x
    x = 120,120,876,159.36/445,873.42
  6. Step 6: Final answer
    x = 269,405.78

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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.