Home / 214,089.30-320,519.55-207,945.30

Finding the Fourth Proportional to 214,089.30, 320,519.55 and 207,945.30

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Solution

The fourth proportional to 214,089.30, 320,519.55 and 207,945.30 is: 311,321.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,089.30 : 320,519.55 = 207,945.30 : x
  2. Step 2: Convert to fraction form
    214,089.30/320,519.55 = 207,945.30/x
  3. Step 3: Cross multiply
    214,089.30x = 320,519.55 × 207,945.30
  4. Step 4: Simplify right side
    214,089.30x = 66,650,533,980.62
  5. Step 5: Solve for x
    x = 66,650,533,980.62/214,089.30
  6. Step 6: Final answer
    x = 311,321.18

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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.