Home / 394,739.20-592,146.32-110,429.80

Finding the Fourth Proportional to 394,739.20, 592,146.32 and 110,429.80

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Solution

The fourth proportional to 394,739.20, 592,146.32 and 110,429.80 is: 165,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,739.20 : 592,146.32 = 110,429.80 : x
  2. Step 2: Convert to fraction form
    394,739.20/592,146.32 = 110,429.80/x
  3. Step 3: Cross multiply
    394,739.20x = 592,146.32 × 110,429.80
  4. Step 4: Simplify right side
    394,739.20x = 65,390,599,688.34
  5. Step 5: Solve for x
    x = 65,390,599,688.34/394,739.20
  6. Step 6: Final answer
    x = 165,655.20

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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.