Home / 235,218.60-352,682.10-135,329.40

Finding the Fourth Proportional to 235,218.60, 352,682.10 and 135,329.40

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Solution

The fourth proportional to 235,218.60, 352,682.10 and 135,329.40 is: 202,910.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,218.60 : 352,682.10 = 135,329.40 : x
  2. Step 2: Convert to fraction form
    235,218.60/352,682.10 = 135,329.40/x
  3. Step 3: Cross multiply
    235,218.60x = 352,682.10 × 135,329.40
  4. Step 4: Simplify right side
    235,218.60x = 47,728,256,983.74
  5. Step 5: Solve for x
    x = 47,728,256,983.74/235,218.60
  6. Step 6: Final answer
    x = 202,910.22

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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.