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Finding the Fourth Proportional to 292,360.60, 438,504.44 and 82,014.94

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Solution

The fourth proportional to 292,360.60, 438,504.44 and 82,014.94 is: 123,012.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,360.60 : 438,504.44 = 82,014.94 : x
  2. Step 2: Convert to fraction form
    292,360.60/438,504.44 = 82,014.94/x
  3. Step 3: Cross multiply
    292,360.60x = 438,504.44 × 82,014.94
  4. Step 4: Simplify right side
    292,360.60x = 35,963,915,336.33
  5. Step 5: Solve for x
    x = 35,963,915,336.33/292,360.60
  6. Step 6: Final answer
    x = 123,012.18

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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.