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Finding the Fourth Proportional to 300,605.59, 450,930.26 and 100,924.29

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Solution

The fourth proportional to 300,605.59, 450,930.26 and 100,924.29 is: 151,393.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,605.59 : 450,930.26 = 100,924.29 : x
  2. Step 2: Convert to fraction form
    300,605.59/450,930.26 = 100,924.29/x
  3. Step 3: Cross multiply
    300,605.59x = 450,930.26 × 100,924.29
  4. Step 4: Simplify right side
    300,605.59x = 45,509,816,582.33
  5. Step 5: Solve for x
    x = 45,509,816,582.33/300,605.59
  6. Step 6: Final answer
    x = 151,393.78

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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.