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Finding the Fourth Proportional to 353,080.20, 529,620.30 and 327,160.20

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Solution

The fourth proportional to 353,080.20, 529,620.30 and 327,160.20 is: 490,740.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,080.20 : 529,620.30 = 327,160.20 : x
  2. Step 2: Convert to fraction form
    353,080.20/529,620.30 = 327,160.20/x
  3. Step 3: Cross multiply
    353,080.20x = 529,620.30 × 327,160.20
  4. Step 4: Simplify right side
    353,080.20x = 173,270,683,272.06
  5. Step 5: Solve for x
    x = 173,270,683,272.06/353,080.20
  6. Step 6: Final answer
    x = 490,740.30

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1.5x scale

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.