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Finding the Fourth Proportional to 270,401.78, 373,147.58 and 149,539.84

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Solution

The fourth proportional to 270,401.78, 373,147.58 and 149,539.84 is: 206,361.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,401.78 : 373,147.58 = 149,539.84 : x
  2. Step 2: Convert to fraction form
    270,401.78/373,147.58 = 149,539.84/x
  3. Step 3: Cross multiply
    270,401.78x = 373,147.58 × 149,539.84
  4. Step 4: Simplify right side
    270,401.78x = 55,800,429,409.59
  5. Step 5: Solve for x
    x = 55,800,429,409.59/270,401.78
  6. Step 6: Final answer
    x = 206,361.18

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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.