Home / 394,438.61-591,657.88-94,919.22

Finding the Fourth Proportional to 394,438.61, 591,657.88 and 94,919.22

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Solution

The fourth proportional to 394,438.61, 591,657.88 and 94,919.22 is: 142,378.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,438.61 : 591,657.88 = 94,919.22 : x
  2. Step 2: Convert to fraction form
    394,438.61/591,657.88 = 94,919.22/x
  3. Step 3: Cross multiply
    394,438.61x = 591,657.88 × 94,919.22
  4. Step 4: Simplify right side
    394,438.61x = 56,159,704,476.45
  5. Step 5: Solve for x
    x = 56,159,704,476.45/394,438.61
  6. Step 6: Final answer
    x = 142,378.82

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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.