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Finding the Fourth Proportional to 321,174.60, 481,301.10 and 236,272.20

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Solution

The fourth proportional to 321,174.60, 481,301.10 and 236,272.20 is: 354,069.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,174.60 : 481,301.10 = 236,272.20 : x
  2. Step 2: Convert to fraction form
    321,174.60/481,301.10 = 236,272.20/x
  3. Step 3: Cross multiply
    321,174.60x = 481,301.10 × 236,272.20
  4. Step 4: Simplify right side
    321,174.60x = 113,718,069,759.42
  5. Step 5: Solve for x
    x = 113,718,069,759.42/321,174.60
  6. Step 6: Final answer
    x = 354,069.31

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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.