Home / 251,926.78-347,633.22-155,115.28

Finding the Fourth Proportional to 251,926.78, 347,633.22 and 155,115.28

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Solution

The fourth proportional to 251,926.78, 347,633.22 and 155,115.28 is: 214,043.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,926.78 : 347,633.22 = 155,115.28 : x
  2. Step 2: Convert to fraction form
    251,926.78/347,633.22 = 155,115.28/x
  3. Step 3: Cross multiply
    251,926.78x = 347,633.22 × 155,115.28
  4. Step 4: Simplify right side
    251,926.78x = 53,923,224,257.60
  5. Step 5: Solve for x
    x = 53,923,224,257.60/251,926.78
  6. Step 6: Final answer
    x = 214,043.24

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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.