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Finding the Fourth Proportional to 300,189.03, 450,460.34 and 110,782.68

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Solution

The fourth proportional to 300,189.03, 450,460.34 and 110,782.68 is: 166,239.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,189.03 : 450,460.34 = 110,782.68 : x
  2. Step 2: Convert to fraction form
    300,189.03/450,460.34 = 110,782.68/x
  3. Step 3: Cross multiply
    300,189.03x = 450,460.34 × 110,782.68
  4. Step 4: Simplify right side
    300,189.03x = 49,903,203,698.91
  5. Step 5: Solve for x
    x = 49,903,203,698.91/300,189.03
  6. Step 6: Final answer
    x = 166,239.26

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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.