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Finding the Fourth Proportional to 331,496.60, 497,099.10 and 131,750.60

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Solution

The fourth proportional to 331,496.60, 497,099.10 and 131,750.60 is: 197,567.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,496.60 : 497,099.10 = 131,750.60 : x
  2. Step 2: Convert to fraction form
    331,496.60/497,099.10 = 131,750.60/x
  3. Step 3: Cross multiply
    331,496.60x = 497,099.10 × 131,750.60
  4. Step 4: Simplify right side
    331,496.60x = 65,493,104,684.46
  5. Step 5: Solve for x
    x = 65,493,104,684.46/331,496.60
  6. Step 6: Final answer
    x = 197,567.95

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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.