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Finding the Fourth Proportional to 492,273.53, 738,410.21 and 118,296.53

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Solution

The fourth proportional to 492,273.53, 738,410.21 and 118,296.53 is: 177,444.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,273.53 : 738,410.21 = 118,296.53 : x
  2. Step 2: Convert to fraction form
    492,273.53/738,410.21 = 118,296.53/x
  3. Step 3: Cross multiply
    492,273.53x = 738,410.21 × 118,296.53
  4. Step 4: Simplify right side
    492,273.53x = 87,351,365,559.57
  5. Step 5: Solve for x
    x = 87,351,365,559.57/492,273.53
  6. Step 6: Final answer
    x = 177,444.77

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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.