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Finding the Fourth Proportional to 272,076.42, 375,439.64 and 252,014.34

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Solution

The fourth proportional to 272,076.42, 375,439.64 and 252,014.34 is: 347,755.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,076.42 : 375,439.64 = 252,014.34 : x
  2. Step 2: Convert to fraction form
    272,076.42/375,439.64 = 252,014.34/x
  3. Step 3: Cross multiply
    272,076.42x = 375,439.64 × 252,014.34
  4. Step 4: Simplify right side
    272,076.42x = 94,616,173,084.44
  5. Step 5: Solve for x
    x = 94,616,173,084.44/272,076.42
  6. Step 6: Final answer
    x = 347,755.87

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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.