Home / 253,910.04-380,766.48-135,516.84

Finding the Fourth Proportional to 253,910.04, 380,766.48 and 135,516.84

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Solution

The fourth proportional to 253,910.04, 380,766.48 and 135,516.84 is: 203,222.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,910.04 : 380,766.48 = 135,516.84 : x
  2. Step 2: Convert to fraction form
    253,910.04/380,766.48 = 135,516.84/x
  3. Step 3: Cross multiply
    253,910.04x = 380,766.48 × 135,516.84
  4. Step 4: Simplify right side
    253,910.04x = 51,600,270,147.52
  5. Step 5: Solve for x
    x = 51,600,270,147.52/253,910.04
  6. Step 6: Final answer
    x = 203,222.65

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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.