Home / 394,606.02-591,914.49-128,367.93

Finding the Fourth Proportional to 394,606.02, 591,914.49 and 128,367.93

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Solution

The fourth proportional to 394,606.02, 591,914.49 and 128,367.93 is: 192,553.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,606.02 : 591,914.49 = 128,367.93 : x
  2. Step 2: Convert to fraction form
    394,606.02/591,914.49 = 128,367.93/x
  3. Step 3: Cross multiply
    394,606.02x = 591,914.49 × 128,367.93
  4. Step 4: Simplify right side
    394,606.02x = 75,982,837,818.31
  5. Step 5: Solve for x
    x = 75,982,837,818.31/394,606.02
  6. Step 6: Final answer
    x = 192,553.67

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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.