Home / 234,945.60-352,418.40-135,412.80

Finding the Fourth Proportional to 234,945.60, 352,418.40 and 135,412.80

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Solution

The fourth proportional to 234,945.60, 352,418.40 and 135,412.80 is: 203,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,945.60 : 352,418.40 = 135,412.80 : x
  2. Step 2: Convert to fraction form
    234,945.60/352,418.40 = 135,412.80/x
  3. Step 3: Cross multiply
    234,945.60x = 352,418.40 × 135,412.80
  4. Step 4: Simplify right side
    234,945.60x = 47,721,962,315.52
  5. Step 5: Solve for x
    x = 47,721,962,315.52/234,945.60
  6. Step 6: Final answer
    x = 203,119.20

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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.