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Finding the Fourth Proportional to 384,182.73, 576,341.73 and 131,403.87

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Solution

The fourth proportional to 384,182.73, 576,341.73 and 131,403.87 is: 197,128.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,182.73 : 576,341.73 = 131,403.87 : x
  2. Step 2: Convert to fraction form
    384,182.73/576,341.73 = 131,403.87/x
  3. Step 3: Cross multiply
    384,182.73x = 576,341.73 × 131,403.87
  4. Step 4: Simplify right side
    384,182.73x = 75,733,533,764.50
  5. Step 5: Solve for x
    x = 75,733,533,764.50/384,182.73
  6. Step 6: Final answer
    x = 197,128.94

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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.