Home / 214,195.20-320,601.60-197,606.40

Finding the Fourth Proportional to 214,195.20, 320,601.60 and 197,606.40

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Solution

The fourth proportional to 214,195.20, 320,601.60 and 197,606.40 is: 295,771.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,195.20 : 320,601.60 = 197,606.40 : x
  2. Step 2: Convert to fraction form
    214,195.20/320,601.60 = 197,606.40/x
  3. Step 3: Cross multiply
    214,195.20x = 320,601.60 × 197,606.40
  4. Step 4: Simplify right side
    214,195.20x = 63,352,928,010.24
  5. Step 5: Solve for x
    x = 63,352,928,010.24/214,195.20
  6. Step 6: Final answer
    x = 295,771.93

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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.