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Finding the Fourth Proportional to 353,131.40, 529,697.10 and 329,630.60

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Solution

The fourth proportional to 353,131.40, 529,697.10 and 329,630.60 is: 494,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,131.40 : 529,697.10 = 329,630.60 : x
  2. Step 2: Convert to fraction form
    353,131.40/529,697.10 = 329,630.60/x
  3. Step 3: Cross multiply
    353,131.40x = 529,697.10 × 329,630.60
  4. Step 4: Simplify right side
    353,131.40x = 174,604,372,891.26
  5. Step 5: Solve for x
    x = 174,604,372,891.26/353,131.40
  6. Step 6: Final answer
    x = 494,445.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.