Home / 437,444.20-656,166.30-279,202.60

Finding the Fourth Proportional to 437,444.20, 656,166.30 and 279,202.60

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Solution

The fourth proportional to 437,444.20, 656,166.30 and 279,202.60 is: 418,803.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,444.20 : 656,166.30 = 279,202.60 : x
  2. Step 2: Convert to fraction form
    437,444.20/656,166.30 = 279,202.60/x
  3. Step 3: Cross multiply
    437,444.20x = 656,166.30 × 279,202.60
  4. Step 4: Simplify right side
    437,444.20x = 183,203,336,992.38
  5. Step 5: Solve for x
    x = 183,203,336,992.38/437,444.20
  6. Step 6: Final answer
    x = 418,803.90

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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.