Home / 394,072.17-591,052.77-127,834.98

Finding the Fourth Proportional to 394,072.17, 591,052.77 and 127,834.98

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Solution

The fourth proportional to 394,072.17, 591,052.77 and 127,834.98 is: 191,734.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,072.17 : 591,052.77 = 127,834.98 : x
  2. Step 2: Convert to fraction form
    394,072.17/591,052.77 = 127,834.98/x
  3. Step 3: Cross multiply
    394,072.17x = 591,052.77 × 127,834.98
  4. Step 4: Simplify right side
    394,072.17x = 75,557,219,031.89
  5. Step 5: Solve for x
    x = 75,557,219,031.89/394,072.17
  6. Step 6: Final answer
    x = 191,734.47

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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.