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Finding the Fourth Proportional to 441,650.88, 662,651.28 and 161,364.96

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Solution

The fourth proportional to 441,650.88, 662,651.28 and 161,364.96 is: 242,111.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,650.88 : 662,651.28 = 161,364.96 : x
  2. Step 2: Convert to fraction form
    441,650.88/662,651.28 = 161,364.96/x
  3. Step 3: Cross multiply
    441,650.88x = 662,651.28 × 161,364.96
  4. Step 4: Simplify right side
    441,650.88x = 106,928,697,291.15
  5. Step 5: Solve for x
    x = 106,928,697,291.15/441,650.88
  6. Step 6: Final answer
    x = 242,111.36

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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.