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Finding the Fourth Proportional to 300,255.66, 450,898.56 and 266,597.64

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Solution

The fourth proportional to 300,255.66, 450,898.56 and 266,597.64 is: 400,353.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,255.66 : 450,898.56 = 266,597.64 : x
  2. Step 2: Convert to fraction form
    300,255.66/450,898.56 = 266,597.64/x
  3. Step 3: Cross multiply
    300,255.66x = 450,898.56 × 266,597.64
  4. Step 4: Simplify right side
    300,255.66x = 120,208,491,975.40
  5. Step 5: Solve for x
    x = 120,208,491,975.40/300,255.66
  6. Step 6: Final answer
    x = 400,353.79

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1.5x scale

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.