Home / 362,467.20-543,044.70-309,979.20

Finding the Fourth Proportional to 362,467.20, 543,044.70 and 309,979.20

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Solution

The fourth proportional to 362,467.20, 543,044.70 and 309,979.20 is: 464,407.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,467.20 : 543,044.70 = 309,979.20 : x
  2. Step 2: Convert to fraction form
    362,467.20/543,044.70 = 309,979.20/x
  3. Step 3: Cross multiply
    362,467.20x = 543,044.70 × 309,979.20
  4. Step 4: Simplify right side
    362,467.20x = 168,332,561,670.24
  5. Step 5: Solve for x
    x = 168,332,561,670.24/362,467.20
  6. Step 6: Final answer
    x = 464,407.71

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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.