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Finding the Fourth Proportional to 491,426.44, 737,139.04 and 154,496.50

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Solution

The fourth proportional to 491,426.44, 737,139.04 and 154,496.50 is: 231,744.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,426.44 : 737,139.04 = 154,496.50 : x
  2. Step 2: Convert to fraction form
    491,426.44/737,139.04 = 154,496.50/x
  3. Step 3: Cross multiply
    491,426.44x = 737,139.04 × 154,496.50
  4. Step 4: Simplify right side
    491,426.44x = 113,885,401,693.36
  5. Step 5: Solve for x
    x = 113,885,401,693.36/491,426.44
  6. Step 6: Final answer
    x = 231,744.56

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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.