Home / 214,917.02-322,430.20-126,245.50

Finding the Fourth Proportional to 214,917.02, 322,430.20 and 126,245.50

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Solution

The fourth proportional to 214,917.02, 322,430.20 and 126,245.50 is: 189,400.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,917.02 : 322,430.20 = 126,245.50 : x
  2. Step 2: Convert to fraction form
    214,917.02/322,430.20 = 126,245.50/x
  3. Step 3: Cross multiply
    214,917.02x = 322,430.20 × 126,245.50
  4. Step 4: Simplify right side
    214,917.02x = 40,705,361,814.10
  5. Step 5: Solve for x
    x = 40,705,361,814.10/214,917.02
  6. Step 6: Final answer
    x = 189,400.36

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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.