Home / 427,272.18-640,907.46-161,092.41

Finding the Fourth Proportional to 427,272.18, 640,907.46 and 161,092.41

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Solution

The fourth proportional to 427,272.18, 640,907.46 and 161,092.41 is: 241,638.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,272.18 : 640,907.46 = 161,092.41 : x
  2. Step 2: Convert to fraction form
    427,272.18/640,907.46 = 161,092.41/x
  3. Step 3: Cross multiply
    427,272.18x = 640,907.46 × 161,092.41
  4. Step 4: Simplify right side
    427,272.18x = 103,245,327,318.38
  5. Step 5: Solve for x
    x = 103,245,327,318.38/427,272.18
  6. Step 6: Final answer
    x = 241,638.31

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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.