Home / 384,003.20-576,112.80-173,636.48

Finding the Fourth Proportional to 384,003.20, 576,112.80 and 173,636.48

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Solution

The fourth proportional to 384,003.20, 576,112.80 and 173,636.48 is: 260,503.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,003.20 : 576,112.80 = 173,636.48 : x
  2. Step 2: Convert to fraction form
    384,003.20/576,112.80 = 173,636.48/x
  3. Step 3: Cross multiply
    384,003.20x = 576,112.80 × 173,636.48
  4. Step 4: Simplify right side
    384,003.20x = 100,034,198,674.94
  5. Step 5: Solve for x
    x = 100,034,198,674.94/384,003.20
  6. Step 6: Final answer
    x = 260,503.55

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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.