Home / 641,674.32-962,467.92-221,245.44

Finding the Fourth Proportional to 641,674.32, 962,467.92 and 221,245.44

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Solution

The fourth proportional to 641,674.32, 962,467.92 and 221,245.44 is: 331,853.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,674.32 : 962,467.92 = 221,245.44 : x
  2. Step 2: Convert to fraction form
    641,674.32/962,467.92 = 221,245.44/x
  3. Step 3: Cross multiply
    641,674.32x = 962,467.92 × 221,245.44
  4. Step 4: Simplify right side
    641,674.32x = 212,941,638,446.29
  5. Step 5: Solve for x
    x = 212,941,638,446.29/641,674.32
  6. Step 6: Final answer
    x = 331,853.14

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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.