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Finding the Fourth Proportional to 340,830.60, 511,245.90 and 88,110.60

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Solution

The fourth proportional to 340,830.60, 511,245.90 and 88,110.60 is: 132,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,830.60 : 511,245.90 = 88,110.60 : x
  2. Step 2: Convert to fraction form
    340,830.60/511,245.90 = 88,110.60/x
  3. Step 3: Cross multiply
    340,830.60x = 511,245.90 × 88,110.60
  4. Step 4: Simplify right side
    340,830.60x = 45,046,182,996.54
  5. Step 5: Solve for x
    x = 45,046,182,996.54/340,830.60
  6. Step 6: Final answer
    x = 132,165.90

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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.