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Finding the Fourth Proportional to 441,652.61, 662,464.77 and 185,620.82

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Solution

The fourth proportional to 441,652.61, 662,464.77 and 185,620.82 is: 278,425.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,652.61 : 662,464.77 = 185,620.82 : x
  2. Step 2: Convert to fraction form
    441,652.61/662,464.77 = 185,620.82/x
  3. Step 3: Cross multiply
    441,652.61x = 662,464.77 × 185,620.82
  4. Step 4: Simplify right side
    441,652.61x = 122,967,250,516.19
  5. Step 5: Solve for x
    x = 122,967,250,516.19/441,652.61
  6. Step 6: Final answer
    x = 278,425.28

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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.