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Finding the Fourth Proportional to 228,364.90, 342,517.11 and 103,677.22

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Solution

The fourth proportional to 228,364.90, 342,517.11 and 103,677.22 is: 155,502.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,364.90 : 342,517.11 = 103,677.22 : x
  2. Step 2: Convert to fraction form
    228,364.90/342,517.11 = 103,677.22/x
  3. Step 3: Cross multiply
    228,364.90x = 342,517.11 × 103,677.22
  4. Step 4: Simplify right side
    228,364.90x = 35,511,221,767.23
  5. Step 5: Solve for x
    x = 35,511,221,767.23/228,364.90
  6. Step 6: Final answer
    x = 155,502.10

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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.