Home / 266,540.22-367,819.18-145,682.15

Finding the Fourth Proportional to 266,540.22, 367,819.18 and 145,682.15

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Solution

The fourth proportional to 266,540.22, 367,819.18 and 145,682.15 is: 201,037.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,540.22 : 367,819.18 = 145,682.15 : x
  2. Step 2: Convert to fraction form
    266,540.22/367,819.18 = 145,682.15/x
  3. Step 3: Cross multiply
    266,540.22x = 367,819.18 × 145,682.15
  4. Step 4: Simplify right side
    266,540.22x = 53,584,686,750.34
  5. Step 5: Solve for x
    x = 53,584,686,750.34/266,540.22
  6. Step 6: Final answer
    x = 201,037.90

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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.