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Finding the Fourth Proportional to 492,350.46, 738,230.40 and 225,777.03

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Solution

The fourth proportional to 492,350.46, 738,230.40 and 225,777.03 is: 338,530.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,350.46 : 738,230.40 = 225,777.03 : x
  2. Step 2: Convert to fraction form
    492,350.46/738,230.40 = 225,777.03/x
  3. Step 3: Cross multiply
    492,350.46x = 738,230.40 × 225,777.03
  4. Step 4: Simplify right side
    492,350.46x = 166,675,467,167.71
  5. Step 5: Solve for x
    x = 166,675,467,167.71/492,350.46
  6. Step 6: Final answer
    x = 338,530.13

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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.