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Finding the Fourth Proportional to 251,906.04, 347,630.64 and 137,184.87

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Solution

The fourth proportional to 251,906.04, 347,630.64 and 137,184.87 is: 189,315.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,906.04 : 347,630.64 = 137,184.87 : x
  2. Step 2: Convert to fraction form
    251,906.04/347,630.64 = 137,184.87/x
  3. Step 3: Cross multiply
    251,906.04x = 347,630.64 × 137,184.87
  4. Step 4: Simplify right side
    251,906.04x = 47,689,664,156.42
  5. Step 5: Solve for x
    x = 47,689,664,156.42/251,906.04
  6. Step 6: Final answer
    x = 189,315.29

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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.