Home / 251,787.36-347,473.44-138,617.04

Finding the Fourth Proportional to 251,787.36, 347,473.44 and 138,617.04

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Solution

The fourth proportional to 251,787.36, 347,473.44 and 138,617.04 is: 191,295.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,787.36 : 347,473.44 = 138,617.04 : x
  2. Step 2: Convert to fraction form
    251,787.36/347,473.44 = 138,617.04/x
  3. Step 3: Cross multiply
    251,787.36x = 347,473.44 × 138,617.04
  4. Step 4: Simplify right side
    251,787.36x = 48,165,739,731.42
  5. Step 5: Solve for x
    x = 48,165,739,731.42/251,787.36
  6. Step 6: Final answer
    x = 191,295.30

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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.