Home / 215,579.28-322,940.28-168,612.24

Finding the Fourth Proportional to 215,579.28, 322,940.28 and 168,612.24

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Solution

The fourth proportional to 215,579.28, 322,940.28 and 168,612.24 is: 252,583.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,579.28 : 322,940.28 = 168,612.24 : x
  2. Step 2: Convert to fraction form
    215,579.28/322,940.28 = 168,612.24/x
  3. Step 3: Cross multiply
    215,579.28x = 322,940.28 × 168,612.24
  4. Step 4: Simplify right side
    215,579.28x = 54,451,683,997.03
  5. Step 5: Solve for x
    x = 54,451,683,997.03/215,579.28
  6. Step 6: Final answer
    x = 252,583.11

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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.