Home / 251,826.42-347,519.82-138,649.17

Finding the Fourth Proportional to 251,826.42, 347,519.82 and 138,649.17

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Solution

The fourth proportional to 251,826.42, 347,519.82 and 138,649.17 is: 191,335.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,826.42 : 347,519.82 = 138,649.17 : x
  2. Step 2: Convert to fraction form
    251,826.42/347,519.82 = 138,649.17/x
  3. Step 3: Cross multiply
    251,826.42x = 347,519.82 × 138,649.17
  4. Step 4: Simplify right side
    251,826.42x = 48,183,334,601.55
  5. Step 5: Solve for x
    x = 48,183,334,601.55/251,826.42
  6. Step 6: Final answer
    x = 191,335.50

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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.