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Finding the Fourth Proportional to 300,067.20, 450,100.08 and 122,534.64

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Solution

The fourth proportional to 300,067.20, 450,100.08 and 122,534.64 is: 183,801.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,067.20 : 450,100.08 = 122,534.64 : x
  2. Step 2: Convert to fraction form
    300,067.20/450,100.08 = 122,534.64/x
  3. Step 3: Cross multiply
    300,067.20x = 450,100.08 × 122,534.64
  4. Step 4: Simplify right side
    300,067.20x = 55,152,851,266.77
  5. Step 5: Solve for x
    x = 55,152,851,266.77/300,067.20
  6. Step 6: Final answer
    x = 183,801.67

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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.