Home / 384,182.24-576,341-131,403.36

Finding the Fourth Proportional to 384,182.24, 576,341 and 131,403.36

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Solution

The fourth proportional to 384,182.24, 576,341 and 131,403.36 is: 197,128.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,182.24 : 576,341 = 131,403.36 : x
  2. Step 2: Convert to fraction form
    384,182.24/576,341 = 131,403.36/x
  3. Step 3: Cross multiply
    384,182.24x = 576,341 × 131,403.36
  4. Step 4: Simplify right side
    384,182.24x = 75,733,143,905.76
  5. Step 5: Solve for x
    x = 75,733,143,905.76/384,182.24
  6. Step 6: Final answer
    x = 197,128.18

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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.