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Finding the Fourth Proportional to 302,485.82, 453,797.01 and 100,081.44

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Solution

The fourth proportional to 302,485.82, 453,797.01 and 100,081.44 is: 150,144.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,485.82 : 453,797.01 = 100,081.44 : x
  2. Step 2: Convert to fraction form
    302,485.82/453,797.01 = 100,081.44/x
  3. Step 3: Cross multiply
    302,485.82x = 453,797.01 × 100,081.44
  4. Step 4: Simplify right side
    302,485.82x = 45,416,658,228.49
  5. Step 5: Solve for x
    x = 45,416,658,228.49/302,485.82
  6. Step 6: Final answer
    x = 150,144.75

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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.