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Finding the Fourth Proportional to 226,843.13, 340,264.70 and 69,071.59

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Solution

The fourth proportional to 226,843.13, 340,264.70 and 69,071.59 is: 103,607.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,843.13 : 340,264.70 = 69,071.59 : x
  2. Step 2: Convert to fraction form
    226,843.13/340,264.70 = 69,071.59/x
  3. Step 3: Cross multiply
    226,843.13x = 340,264.70 × 69,071.59
  4. Step 4: Simplify right side
    226,843.13x = 23,502,622,274.88
  5. Step 5: Solve for x
    x = 23,502,622,274.88/226,843.13
  6. Step 6: Final answer
    x = 103,607.38

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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.