Home / 437,464.20-656,196.30-279,222.60

Finding the Fourth Proportional to 437,464.20, 656,196.30 and 279,222.60

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Solution

The fourth proportional to 437,464.20, 656,196.30 and 279,222.60 is: 418,833.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,464.20 : 656,196.30 = 279,222.60 : x
  2. Step 2: Convert to fraction form
    437,464.20/656,196.30 = 279,222.60/x
  3. Step 3: Cross multiply
    437,464.20x = 656,196.30 × 279,222.60
  4. Step 4: Simplify right side
    437,464.20x = 183,224,836,996.38
  5. Step 5: Solve for x
    x = 183,224,836,996.38/437,464.20
  6. Step 6: Final answer
    x = 418,833.90

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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.