Home / 214,566.39-321,879.67-64,789.70

Finding the Fourth Proportional to 214,566.39, 321,879.67 and 64,789.70

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Solution

The fourth proportional to 214,566.39, 321,879.67 and 64,789.70 is: 97,193.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,566.39 : 321,879.67 = 64,789.70 : x
  2. Step 2: Convert to fraction form
    214,566.39/321,879.67 = 64,789.70/x
  3. Step 3: Cross multiply
    214,566.39x = 321,879.67 × 64,789.70
  4. Step 4: Simplify right side
    214,566.39x = 20,854,485,484.03
  5. Step 5: Solve for x
    x = 20,854,485,484.03/214,566.39
  6. Step 6: Final answer
    x = 97,193.63

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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.