Home / 459,147.20-633,404.48-306,256

Finding the Fourth Proportional to 459,147.20, 633,404.48 and 306,256

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Solution

The fourth proportional to 459,147.20, 633,404.48 and 306,256 is: 422,487.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,147.20 : 633,404.48 = 306,256 : x
  2. Step 2: Convert to fraction form
    459,147.20/633,404.48 = 306,256/x
  3. Step 3: Cross multiply
    459,147.20x = 633,404.48 × 306,256
  4. Step 4: Simplify right side
    459,147.20x = 193,983,922,426.88
  5. Step 5: Solve for x
    x = 193,983,922,426.88/459,147.20
  6. Step 6: Final answer
    x = 422,487.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.