Home / 325,963.20-449,924.80-212,802.88

Finding the Fourth Proportional to 325,963.20, 449,924.80 and 212,802.88

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Solution

The fourth proportional to 325,963.20, 449,924.80 and 212,802.88 is: 293,730.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,963.20 : 449,924.80 = 212,802.88 : x
  2. Step 2: Convert to fraction form
    325,963.20/449,924.80 = 212,802.88/x
  3. Step 3: Cross multiply
    325,963.20x = 449,924.80 × 212,802.88
  4. Step 4: Simplify right side
    325,963.20x = 95,745,293,223.42
  5. Step 5: Solve for x
    x = 95,745,293,223.42/325,963.20
  6. Step 6: Final answer
    x = 293,730.38

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1.5x scale

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.