Home / 251,488.22-347,060.31-138,313.94

Finding the Fourth Proportional to 251,488.22, 347,060.31 and 138,313.94

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Solution

The fourth proportional to 251,488.22, 347,060.31 and 138,313.94 is: 190,876.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,488.22 : 347,060.31 = 138,313.94 : x
  2. Step 2: Convert to fraction form
    251,488.22/347,060.31 = 138,313.94/x
  3. Step 3: Cross multiply
    251,488.22x = 347,060.31 × 138,313.94
  4. Step 4: Simplify right side
    251,488.22x = 48,003,278,893.72
  5. Step 5: Solve for x
    x = 48,003,278,893.72/251,488.22
  6. Step 6: Final answer
    x = 190,876.85

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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.