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Finding the Fourth Proportional to 222,503.04, 307,043.04 and 131,961.60

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Solution

The fourth proportional to 222,503.04, 307,043.04 and 131,961.60 is: 182,100.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,503.04 : 307,043.04 = 131,961.60 : x
  2. Step 2: Convert to fraction form
    222,503.04/307,043.04 = 131,961.60/x
  3. Step 3: Cross multiply
    222,503.04x = 307,043.04 × 131,961.60
  4. Step 4: Simplify right side
    222,503.04x = 40,517,890,827.26
  5. Step 5: Solve for x
    x = 40,517,890,827.26/222,503.04
  6. Step 6: Final answer
    x = 182,100.39

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1.5x scale

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.