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Finding the Fourth Proportional to 219,318.72, 302,657.22 and 123,829.44

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Solution

The fourth proportional to 219,318.72, 302,657.22 and 123,829.44 is: 170,883.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,318.72 : 302,657.22 = 123,829.44 : x
  2. Step 2: Convert to fraction form
    219,318.72/302,657.22 = 123,829.44/x
  3. Step 3: Cross multiply
    219,318.72x = 302,657.22 × 123,829.44
  4. Step 4: Simplify right side
    219,318.72x = 37,477,874,064.56
  5. Step 5: Solve for x
    x = 37,477,874,064.56/219,318.72
  6. Step 6: Final answer
    x = 170,883.15

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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.