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Finding the Fourth Proportional to 664,267.55, 996,559.42 and 214,988.42

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Solution

The fourth proportional to 664,267.55, 996,559.42 and 214,988.42 is: 322,533.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,267.55 : 996,559.42 = 214,988.42 : x
  2. Step 2: Convert to fraction form
    664,267.55/996,559.42 = 214,988.42/x
  3. Step 3: Cross multiply
    664,267.55x = 996,559.42 × 214,988.42
  4. Step 4: Simplify right side
    664,267.55x = 214,248,731,893.30
  5. Step 5: Solve for x
    x = 214,248,731,893.30/664,267.55
  6. Step 6: Final answer
    x = 322,533.79

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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.