Home / 222,488.40-334,510.20-217,822.80

Finding the Fourth Proportional to 222,488.40, 334,510.20 and 217,822.80

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Solution

The fourth proportional to 222,488.40, 334,510.20 and 217,822.80 is: 327,495.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,488.40 : 334,510.20 = 217,822.80 : x
  2. Step 2: Convert to fraction form
    222,488.40/334,510.20 = 217,822.80/x
  3. Step 3: Cross multiply
    222,488.40x = 334,510.20 × 217,822.80
  4. Step 4: Simplify right side
    222,488.40x = 72,863,948,392.56
  5. Step 5: Solve for x
    x = 72,863,948,392.56/222,488.40
  6. Step 6: Final answer
    x = 327,495.49

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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.