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Finding the Fourth Proportional to 371,767, 557,336.94 and 161,246.36

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Solution

The fourth proportional to 371,767, 557,336.94 and 161,246.36 is: 241,733.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,767 : 557,336.94 = 161,246.36 : x
  2. Step 2: Convert to fraction form
    371,767/557,336.94 = 161,246.36/x
  3. Step 3: Cross multiply
    371,767x = 557,336.94 × 161,246.36
  4. Step 4: Simplify right side
    371,767x = 89,868,552,868.54
  5. Step 5: Solve for x
    x = 89,868,552,868.54/371,767
  6. Step 6: Final answer
    x = 241,733.54

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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.