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Finding the Fourth Proportional to 490,049.40, 734,901.30 and 174,516.60

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Solution

The fourth proportional to 490,049.40, 734,901.30 and 174,516.60 is: 261,713.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,049.40 : 734,901.30 = 174,516.60 : x
  2. Step 2: Convert to fraction form
    490,049.40/734,901.30 = 174,516.60/x
  3. Step 3: Cross multiply
    490,049.40x = 734,901.30 × 174,516.60
  4. Step 4: Simplify right side
    490,049.40x = 128,252,476,211.58
  5. Step 5: Solve for x
    x = 128,252,476,211.58/490,049.40
  6. Step 6: Final answer
    x = 261,713.36

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.