Home / 341,979.10-512,967.80-321,170.33

Finding the Fourth Proportional to 341,979.10, 512,967.80 and 321,170.33

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Solution

The fourth proportional to 341,979.10, 512,967.80 and 321,170.33 is: 481,754.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,979.10 : 512,967.80 = 321,170.33 : x
  2. Step 2: Convert to fraction form
    341,979.10/512,967.80 = 321,170.33/x
  3. Step 3: Cross multiply
    341,979.10x = 512,967.80 × 321,170.33
  4. Step 4: Simplify right side
    341,979.10x = 164,750,039,690.72
  5. Step 5: Solve for x
    x = 164,750,039,690.72/341,979.10
  6. Step 6: Final answer
    x = 481,754.71

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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.