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Finding the Fourth Proportional to 226,228.45, 312,160.54 and 130,716.69

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Solution

The fourth proportional to 226,228.45, 312,160.54 and 130,716.69 is: 180,368.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,228.45 : 312,160.54 = 130,716.69 : x
  2. Step 2: Convert to fraction form
    226,228.45/312,160.54 = 130,716.69/x
  3. Step 3: Cross multiply
    226,228.45x = 312,160.54 × 130,716.69
  4. Step 4: Simplify right side
    226,228.45x = 40,804,592,537.41
  5. Step 5: Solve for x
    x = 40,804,592,537.41/226,228.45
  6. Step 6: Final answer
    x = 180,368.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.