Home / 394,115.02-591,172.24-127,875.54

Finding the Fourth Proportional to 394,115.02, 591,172.24 and 127,875.54

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Solution

The fourth proportional to 394,115.02, 591,172.24 and 127,875.54 is: 191,813.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,115.02 : 591,172.24 = 127,875.54 : x
  2. Step 2: Convert to fraction form
    394,115.02/591,172.24 = 127,875.54/x
  3. Step 3: Cross multiply
    394,115.02x = 591,172.24 × 127,875.54
  4. Step 4: Simplify right side
    394,115.02x = 75,596,469,423.01
  5. Step 5: Solve for x
    x = 75,596,469,423.01/394,115.02
  6. Step 6: Final answer
    x = 191,813.22

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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.