Home / 329,968.36-494,975.22-105,345.64

Finding the Fourth Proportional to 329,968.36, 494,975.22 and 105,345.64

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Solution

The fourth proportional to 329,968.36, 494,975.22 and 105,345.64 is: 158,025.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,968.36 : 494,975.22 = 105,345.64 : x
  2. Step 2: Convert to fraction form
    329,968.36/494,975.22 = 105,345.64/x
  3. Step 3: Cross multiply
    329,968.36x = 494,975.22 × 105,345.64
  4. Step 4: Simplify right side
    329,968.36x = 52,143,481,335.04
  5. Step 5: Solve for x
    x = 52,143,481,335.04/329,968.36
  6. Step 6: Final answer
    x = 158,025.70

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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.