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Finding the Fourth Proportional to 216,033.09, 298,042.51 and 135,320.10

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Solution

The fourth proportional to 216,033.09, 298,042.51 and 135,320.10 is: 186,689.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,033.09 : 298,042.51 = 135,320.10 : x
  2. Step 2: Convert to fraction form
    216,033.09/298,042.51 = 135,320.10/x
  3. Step 3: Cross multiply
    216,033.09x = 298,042.51 × 135,320.10
  4. Step 4: Simplify right side
    216,033.09x = 40,331,142,257.45
  5. Step 5: Solve for x
    x = 40,331,142,257.45/216,033.09
  6. Step 6: Final answer
    x = 186,689.65

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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.