Home / 251,464.40-347,013.94-138,287.14

Finding the Fourth Proportional to 251,464.40, 347,013.94 and 138,287.14

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Solution

The fourth proportional to 251,464.40, 347,013.94 and 138,287.14 is: 190,832.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,464.40 : 347,013.94 = 138,287.14 : x
  2. Step 2: Convert to fraction form
    251,464.40/347,013.94 = 138,287.14/x
  3. Step 3: Cross multiply
    251,464.40x = 347,013.94 × 138,287.14
  4. Step 4: Simplify right side
    251,464.40x = 47,987,565,302.73
  5. Step 5: Solve for x
    x = 47,987,565,302.73/251,464.40
  6. Step 6: Final answer
    x = 190,832.44

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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.