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Finding the Fourth Proportional to 371,571.27, 557,214.27 and 158,203.91

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Solution

The fourth proportional to 371,571.27, 557,214.27 and 158,203.91 is: 237,245.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,571.27 : 557,214.27 = 158,203.91 : x
  2. Step 2: Convert to fraction form
    371,571.27/557,214.27 = 158,203.91/x
  3. Step 3: Cross multiply
    371,571.27x = 557,214.27 × 158,203.91
  4. Step 4: Simplify right side
    371,571.27x = 88,153,473,435.72
  5. Step 5: Solve for x
    x = 88,153,473,435.72/371,571.27
  6. Step 6: Final answer
    x = 237,245.13

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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.