Home / 266,231.18-367,407.62-145,378.78

Finding the Fourth Proportional to 266,231.18, 367,407.62 and 145,378.78

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Solution

The fourth proportional to 266,231.18, 367,407.62 and 145,378.78 is: 200,627.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,231.18 : 367,407.62 = 145,378.78 : x
  2. Step 2: Convert to fraction form
    266,231.18/367,407.62 = 145,378.78/x
  3. Step 3: Cross multiply
    266,231.18x = 367,407.62 × 145,378.78
  4. Step 4: Simplify right side
    266,231.18x = 53,413,271,558.30
  5. Step 5: Solve for x
    x = 53,413,271,558.30/266,231.18
  6. Step 6: Final answer
    x = 200,627.41

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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.