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Finding the Fourth Proportional to 300,308.95, 450,250.77 and 150,442.33

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Solution

The fourth proportional to 300,308.95, 450,250.77 and 150,442.33 is: 225,556.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,308.95 : 450,250.77 = 150,442.33 : x
  2. Step 2: Convert to fraction form
    300,308.95/450,250.77 = 150,442.33/x
  3. Step 3: Cross multiply
    300,308.95x = 450,250.77 × 150,442.33
  4. Step 4: Simplify right side
    300,308.95x = 67,736,774,923.09
  5. Step 5: Solve for x
    x = 67,736,774,923.09/300,308.95
  6. Step 6: Final answer
    x = 225,556.96

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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.