Home / 214,171.20-320,565.60-197,582.40

Finding the Fourth Proportional to 214,171.20, 320,565.60 and 197,582.40

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Solution

The fourth proportional to 214,171.20, 320,565.60 and 197,582.40 is: 295,735.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,171.20 : 320,565.60 = 197,582.40 : x
  2. Step 2: Convert to fraction form
    214,171.20/320,565.60 = 197,582.40/x
  3. Step 3: Cross multiply
    214,171.20x = 320,565.60 × 197,582.40
  4. Step 4: Simplify right side
    214,171.20x = 63,338,120,605.44
  5. Step 5: Solve for x
    x = 63,338,120,605.44/214,171.20
  6. Step 6: Final answer
    x = 295,735.94

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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.