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Finding the Fourth Proportional to 228,323.19, 342,477.73 and 108,466.43

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Solution

The fourth proportional to 228,323.19, 342,477.73 and 108,466.43 is: 162,696.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,323.19 : 342,477.73 = 108,466.43 : x
  2. Step 2: Convert to fraction form
    228,323.19/342,477.73 = 108,466.43/x
  3. Step 3: Cross multiply
    228,323.19x = 342,477.73 × 108,466.43
  4. Step 4: Simplify right side
    228,323.19x = 37,147,335,150.80
  5. Step 5: Solve for x
    x = 37,147,335,150.80/228,323.19
  6. Step 6: Final answer
    x = 162,696.28

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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.