Home / 394,143.35-591,215.03-94,623.93

Finding the Fourth Proportional to 394,143.35, 591,215.03 and 94,623.93

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Solution

The fourth proportional to 394,143.35, 591,215.03 and 94,623.93 is: 141,935.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,143.35 : 591,215.03 = 94,623.93 : x
  2. Step 2: Convert to fraction form
    394,143.35/591,215.03 = 94,623.93/x
  3. Step 3: Cross multiply
    394,143.35x = 591,215.03 × 94,623.93
  4. Step 4: Simplify right side
    394,143.35x = 55,943,089,140.55
  5. Step 5: Solve for x
    x = 55,943,089,140.55/394,143.35
  6. Step 6: Final answer
    x = 141,935.90

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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.