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Finding the Fourth Proportional to 300,806.54, 450,975.62 and 148,898.81

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Solution

The fourth proportional to 300,806.54, 450,975.62 and 148,898.81 is: 223,232.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,806.54 : 450,975.62 = 148,898.81 : x
  2. Step 2: Convert to fraction form
    300,806.54/450,975.62 = 148,898.81/x
  3. Step 3: Cross multiply
    300,806.54x = 450,975.62 × 148,898.81
  4. Step 4: Simplify right side
    300,806.54x = 67,149,730,157.64
  5. Step 5: Solve for x
    x = 67,149,730,157.64/300,806.54
  6. Step 6: Final answer
    x = 223,232.29

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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.