Home / 251,494.24-347,056.32-138,318.88

Finding the Fourth Proportional to 251,494.24, 347,056.32 and 138,318.88

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Solution

The fourth proportional to 251,494.24, 347,056.32 and 138,318.88 is: 190,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,494.24 : 347,056.32 = 138,318.88 : x
  2. Step 2: Convert to fraction form
    251,494.24/347,056.32 = 138,318.88/x
  3. Step 3: Cross multiply
    251,494.24x = 347,056.32 × 138,318.88
  4. Step 4: Simplify right side
    251,494.24x = 48,004,441,479.32
  5. Step 5: Solve for x
    x = 48,004,441,479.32/251,494.24
  6. Step 6: Final answer
    x = 190,876.90

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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.