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Finding the Fourth Proportional to 445,449.66, 668,524.41 and 245,907.78

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Solution

The fourth proportional to 445,449.66, 668,524.41 and 245,907.78 is: 369,054.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,449.66 : 668,524.41 = 245,907.78 : x
  2. Step 2: Convert to fraction form
    445,449.66/668,524.41 = 245,907.78/x
  3. Step 3: Cross multiply
    445,449.66x = 668,524.41 × 245,907.78
  4. Step 4: Simplify right side
    445,449.66x = 164,395,353,538.91
  5. Step 5: Solve for x
    x = 164,395,353,538.91/445,449.66
  6. Step 6: Final answer
    x = 369,054.84

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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.