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Finding the Fourth Proportional to 251,893.08, 347,021.19 and 175,280.43

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Solution

The fourth proportional to 251,893.08, 347,021.19 and 175,280.43 is: 241,475.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,893.08 : 347,021.19 = 175,280.43 : x
  2. Step 2: Convert to fraction form
    251,893.08/347,021.19 = 175,280.43/x
  3. Step 3: Cross multiply
    251,893.08x = 347,021.19 × 175,280.43
  4. Step 4: Simplify right side
    251,893.08x = 60,826,023,402.31
  5. Step 5: Solve for x
    x = 60,826,023,402.31/251,893.08
  6. Step 6: Final answer
    x = 241,475.56

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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.