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Finding the Fourth Proportional to 300,251.49, 450,509.07 and 113,219.25

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Solution

The fourth proportional to 300,251.49, 450,509.07 and 113,219.25 is: 169,878.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,251.49 : 450,509.07 = 113,219.25 : x
  2. Step 2: Convert to fraction form
    300,251.49/450,509.07 = 113,219.25/x
  3. Step 3: Cross multiply
    300,251.49x = 450,509.07 × 113,219.25
  4. Step 4: Simplify right side
    300,251.49x = 51,006,299,023.60
  5. Step 5: Solve for x
    x = 51,006,299,023.60/300,251.49
  6. Step 6: Final answer
    x = 169,878.59

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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.