Home / 266,212.90-367,371.01-145,353.81

Finding the Fourth Proportional to 266,212.90, 367,371.01 and 145,353.81

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Solution

The fourth proportional to 266,212.90, 367,371.01 and 145,353.81 is: 200,586.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,212.90 : 367,371.01 = 145,353.81 : x
  2. Step 2: Convert to fraction form
    266,212.90/367,371.01 = 145,353.81/x
  3. Step 3: Cross multiply
    266,212.90x = 367,371.01 × 145,353.81
  4. Step 4: Simplify right side
    266,212.90x = 53,398,775,623.66
  5. Step 5: Solve for x
    x = 53,398,775,623.66/266,212.90
  6. Step 6: Final answer
    x = 200,586.73

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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.