Home / 394,355.40-591,632.63-110,045.69

Finding the Fourth Proportional to 394,355.40, 591,632.63 and 110,045.69

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Solution

The fourth proportional to 394,355.40, 591,632.63 and 110,045.69 is: 165,096.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,355.40 : 591,632.63 = 110,045.69 : x
  2. Step 2: Convert to fraction form
    394,355.40/591,632.63 = 110,045.69/x
  3. Step 3: Cross multiply
    394,355.40x = 591,632.63 × 110,045.69
  4. Step 4: Simplify right side
    394,355.40x = 65,106,617,486.47
  5. Step 5: Solve for x
    x = 65,106,617,486.47/394,355.40
  6. Step 6: Final answer
    x = 165,096.30

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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.