Home / 664,384.10-996,446.55-214,996.10

Finding the Fourth Proportional to 664,384.10, 996,446.55 and 214,996.10

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Solution

The fourth proportional to 664,384.10, 996,446.55 and 214,996.10 is: 322,452.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,384.10 : 996,446.55 = 214,996.10 : x
  2. Step 2: Convert to fraction form
    664,384.10/996,446.55 = 214,996.10/x
  3. Step 3: Cross multiply
    664,384.10x = 996,446.55 × 214,996.10
  4. Step 4: Simplify right side
    664,384.10x = 214,232,122,108.46
  5. Step 5: Solve for x
    x = 214,232,122,108.46/664,384.10
  6. Step 6: Final answer
    x = 322,452.21

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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.