Home / 325,538.20-488,234.40-214,001.20

Finding the Fourth Proportional to 325,538.20, 488,234.40 and 214,001.20

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Solution

The fourth proportional to 325,538.20, 488,234.40 and 214,001.20 is: 320,953.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,538.20 : 488,234.40 = 214,001.20 : x
  2. Step 2: Convert to fraction form
    325,538.20/488,234.40 = 214,001.20/x
  3. Step 3: Cross multiply
    325,538.20x = 488,234.40 × 214,001.20
  4. Step 4: Simplify right side
    325,538.20x = 104,482,747,481.28
  5. Step 5: Solve for x
    x = 104,482,747,481.28/325,538.20
  6. Step 6: Final answer
    x = 320,953.88

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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.