Home / 266,447.18-367,697.21-143,939.62

Finding the Fourth Proportional to 266,447.18, 367,697.21 and 143,939.62

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Solution

The fourth proportional to 266,447.18, 367,697.21 and 143,939.62 is: 198,636.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,447.18 : 367,697.21 = 143,939.62 : x
  2. Step 2: Convert to fraction form
    266,447.18/367,697.21 = 143,939.62/x
  3. Step 3: Cross multiply
    266,447.18x = 367,697.21 × 143,939.62
  4. Step 4: Simplify right side
    266,447.18x = 52,926,196,682.46
  5. Step 5: Solve for x
    x = 52,926,196,682.46/266,447.18
  6. Step 6: Final answer
    x = 198,636.73

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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.