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Finding the Fourth Proportional to 482,435.01, 665,324.64 and 301,163.70

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Solution

The fourth proportional to 482,435.01, 665,324.64 and 301,163.70 is: 415,333.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,435.01 : 665,324.64 = 301,163.70 : x
  2. Step 2: Convert to fraction form
    482,435.01/665,324.64 = 301,163.70/x
  3. Step 3: Cross multiply
    482,435.01x = 665,324.64 × 301,163.70
  4. Step 4: Simplify right side
    482,435.01x = 200,371,630,283.57
  5. Step 5: Solve for x
    x = 200,371,630,283.57/482,435.01
  6. Step 6: Final answer
    x = 415,333.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.