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Finding the Fourth Proportional to 521,504.37, 782,249.96 and 166,513.89

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Solution

The fourth proportional to 521,504.37, 782,249.96 and 166,513.89 is: 249,768.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,504.37 : 782,249.96 = 166,513.89 : x
  2. Step 2: Convert to fraction form
    521,504.37/782,249.96 = 166,513.89/x
  3. Step 3: Cross multiply
    521,504.37x = 782,249.96 × 166,513.89
  4. Step 4: Simplify right side
    521,504.37x = 130,255,482,959.38
  5. Step 5: Solve for x
    x = 130,255,482,959.38/521,504.37
  6. Step 6: Final answer
    x = 249,768.73

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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.