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Finding the Fourth Proportional to 226,984.56, 340,499.88 and 86,861.04

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Solution

The fourth proportional to 226,984.56, 340,499.88 and 86,861.04 is: 130,300.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,984.56 : 340,499.88 = 86,861.04 : x
  2. Step 2: Convert to fraction form
    226,984.56/340,499.88 = 86,861.04/x
  3. Step 3: Cross multiply
    226,984.56x = 340,499.88 × 86,861.04
  4. Step 4: Simplify right side
    226,984.56x = 29,576,173,696.68
  5. Step 5: Solve for x
    x = 29,576,173,696.68/226,984.56
  6. Step 6: Final answer
    x = 130,300.38

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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.