Home / 251,915.32-347,617.44-155,103.82

Finding the Fourth Proportional to 251,915.32, 347,617.44 and 155,103.82

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Solution

The fourth proportional to 251,915.32, 347,617.44 and 155,103.82 is: 214,027.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,915.32 : 347,617.44 = 155,103.82 : x
  2. Step 2: Convert to fraction form
    251,915.32/347,617.44 = 155,103.82/x
  3. Step 3: Cross multiply
    251,915.32x = 347,617.44 × 155,103.82
  4. Step 4: Simplify right side
    251,915.32x = 53,916,791,973.58
  5. Step 5: Solve for x
    x = 53,916,791,973.58/251,915.32
  6. Step 6: Final answer
    x = 214,027.44

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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.