Home / 222,490.40-334,513.20-217,824.80

Finding the Fourth Proportional to 222,490.40, 334,513.20 and 217,824.80

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Solution

The fourth proportional to 222,490.40, 334,513.20 and 217,824.80 is: 327,498.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,490.40 : 334,513.20 = 217,824.80 : x
  2. Step 2: Convert to fraction form
    222,490.40/334,513.20 = 217,824.80/x
  3. Step 3: Cross multiply
    222,490.40x = 334,513.20 × 217,824.80
  4. Step 4: Simplify right side
    222,490.40x = 72,865,270,887.36
  5. Step 5: Solve for x
    x = 72,865,270,887.36/222,490.40
  6. Step 6: Final answer
    x = 327,498.49

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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.