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Finding the Fourth Proportional to 214,221.01, 321,108.63 and 71,960.71

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Solution

The fourth proportional to 214,221.01, 321,108.63 and 71,960.71 is: 107,866.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,221.01 : 321,108.63 = 71,960.71 : x
  2. Step 2: Convert to fraction form
    214,221.01/321,108.63 = 71,960.71/x
  3. Step 3: Cross multiply
    214,221.01x = 321,108.63 × 71,960.71
  4. Step 4: Simplify right side
    214,221.01x = 23,107,205,001.93
  5. Step 5: Solve for x
    x = 23,107,205,001.93/214,221.01
  6. Step 6: Final answer
    x = 107,866.19

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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.