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Finding the Fourth Proportional to 274,337.66, 411,580.43 and 114,360.42

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Solution

The fourth proportional to 274,337.66, 411,580.43 and 114,360.42 is: 171,571.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,337.66 : 411,580.43 = 114,360.42 : x
  2. Step 2: Convert to fraction form
    274,337.66/411,580.43 = 114,360.42/x
  3. Step 3: Cross multiply
    274,337.66x = 411,580.43 × 114,360.42
  4. Step 4: Simplify right side
    274,337.66x = 47,068,510,266.78
  5. Step 5: Solve for x
    x = 47,068,510,266.78/274,337.66
  6. Step 6: Final answer
    x = 171,571.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.