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Finding the Fourth Proportional to 214,410.88, 321,644.76 and 79,456.24

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Solution

The fourth proportional to 214,410.88, 321,644.76 and 79,456.24 is: 119,194.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,410.88 : 321,644.76 = 79,456.24 : x
  2. Step 2: Convert to fraction form
    214,410.88/321,644.76 = 79,456.24/x
  3. Step 3: Cross multiply
    214,410.88x = 321,644.76 × 79,456.24
  4. Step 4: Simplify right side
    214,410.88x = 25,556,683,245.30
  5. Step 5: Solve for x
    x = 25,556,683,245.30/214,410.88
  6. Step 6: Final answer
    x = 119,194.90

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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.