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Finding the Fourth Proportional to 491,548.69, 737,327.90 and 154,581.81

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Solution

The fourth proportional to 491,548.69, 737,327.90 and 154,581.81 is: 231,874.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,548.69 : 737,327.90 = 154,581.81 : x
  2. Step 2: Convert to fraction form
    491,548.69/737,327.90 = 154,581.81/x
  3. Step 3: Cross multiply
    491,548.69x = 737,327.90 × 154,581.81
  4. Step 4: Simplify right side
    491,548.69x = 113,977,481,345.50
  5. Step 5: Solve for x
    x = 113,977,481,345.50/491,548.69
  6. Step 6: Final answer
    x = 231,874.24

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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.