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Finding the Fourth Proportional to 300,351.07, 450,514.95 and 110,729.42

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Solution

The fourth proportional to 300,351.07, 450,514.95 and 110,729.42 is: 166,089.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,351.07 : 450,514.95 = 110,729.42 : x
  2. Step 2: Convert to fraction form
    300,351.07/450,514.95 = 110,729.42/x
  3. Step 3: Cross multiply
    300,351.07x = 450,514.95 × 110,729.42
  4. Step 4: Simplify right side
    300,351.07x = 49,885,259,114.83
  5. Step 5: Solve for x
    x = 49,885,259,114.83/300,351.07
  6. Step 6: Final answer
    x = 166,089.83

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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.