Home / 394,717.45-592,149.22-124,913.50

Finding the Fourth Proportional to 394,717.45, 592,149.22 and 124,913.50

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Solution

The fourth proportional to 394,717.45, 592,149.22 and 124,913.50 is: 187,393.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,717.45 : 592,149.22 = 124,913.50 : x
  2. Step 2: Convert to fraction form
    394,717.45/592,149.22 = 124,913.50/x
  3. Step 3: Cross multiply
    394,717.45x = 592,149.22 × 124,913.50
  4. Step 4: Simplify right side
    394,717.45x = 73,967,428,079.08
  5. Step 5: Solve for x
    x = 73,967,428,079.08/394,717.45
  6. Step 6: Final answer
    x = 187,393.36

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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.