Home / 384,453.48-576,278.94-131,659.56

Finding the Fourth Proportional to 384,453.48, 576,278.94 and 131,659.56

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Solution

The fourth proportional to 384,453.48, 576,278.94 and 131,659.56 is: 197,351.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,453.48 : 576,278.94 = 131,659.56 : x
  2. Step 2: Convert to fraction form
    384,453.48/576,278.94 = 131,659.56/x
  3. Step 3: Cross multiply
    384,453.48x = 576,278.94 × 131,659.56
  4. Step 4: Simplify right side
    384,453.48x = 75,872,631,677.67
  5. Step 5: Solve for x
    x = 75,872,631,677.67/384,453.48
  6. Step 6: Final answer
    x = 197,351.92

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1.5x scale

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.