Home / 212,829.70-319,244.55-178,615.30

Finding the Fourth Proportional to 212,829.70, 319,244.55 and 178,615.30

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Solution

The fourth proportional to 212,829.70, 319,244.55 and 178,615.30 is: 267,922.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,829.70 : 319,244.55 = 178,615.30 : x
  2. Step 2: Convert to fraction form
    212,829.70/319,244.55 = 178,615.30/x
  3. Step 3: Cross multiply
    212,829.70x = 319,244.55 × 178,615.30
  4. Step 4: Simplify right side
    212,829.70x = 57,021,961,071.62
  5. Step 5: Solve for x
    x = 57,021,961,071.62/212,829.70
  6. Step 6: Final answer
    x = 267,922.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.