Home / 251,839.31-347,551.11-142,951.37

Finding the Fourth Proportional to 251,839.31, 347,551.11 and 142,951.37

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Solution

The fourth proportional to 251,839.31, 347,551.11 and 142,951.37 is: 197,280.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,839.31 : 347,551.11 = 142,951.37 : x
  2. Step 2: Convert to fraction form
    251,839.31/347,551.11 = 142,951.37/x
  3. Step 3: Cross multiply
    251,839.31x = 347,551.11 × 142,951.37
  4. Step 4: Simplify right side
    251,839.31x = 49,682,905,581.77
  5. Step 5: Solve for x
    x = 49,682,905,581.77/251,839.31
  6. Step 6: Final answer
    x = 197,280.19

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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.