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Finding the Fourth Proportional to 300,653.20, 448,627.10 and 298,903.60

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Solution

The fourth proportional to 300,653.20, 448,627.10 and 298,903.60 is: 446,016.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,653.20 : 448,627.10 = 298,903.60 : x
  2. Step 2: Convert to fraction form
    300,653.20/448,627.10 = 298,903.60/x
  3. Step 3: Cross multiply
    300,653.20x = 448,627.10 × 298,903.60
  4. Step 4: Simplify right side
    300,653.20x = 134,096,255,247.56
  5. Step 5: Solve for x
    x = 134,096,255,247.56/300,653.20
  6. Step 6: Final answer
    x = 446,016.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.