Home / 266,493.35-367,761.78-145,636.49

Finding the Fourth Proportional to 266,493.35, 367,761.78 and 145,636.49

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Solution

The fourth proportional to 266,493.35, 367,761.78 and 145,636.49 is: 200,978.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,493.35 : 367,761.78 = 145,636.49 : x
  2. Step 2: Convert to fraction form
    266,493.35/367,761.78 = 145,636.49/x
  3. Step 3: Cross multiply
    266,493.35x = 367,761.78 × 145,636.49
  4. Step 4: Simplify right side
    266,493.35x = 53,559,532,956.54
  5. Step 5: Solve for x
    x = 53,559,532,956.54/266,493.35
  6. Step 6: Final answer
    x = 200,978.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.