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Finding the Fourth Proportional to 300,100.46, 450,151.14 and 122,607.65

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Solution

The fourth proportional to 300,100.46, 450,151.14 and 122,607.65 is: 183,911.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,100.46 : 450,151.14 = 122,607.65 : x
  2. Step 2: Convert to fraction form
    300,100.46/450,151.14 = 122,607.65/x
  3. Step 3: Cross multiply
    300,100.46x = 450,151.14 × 122,607.65
  4. Step 4: Simplify right side
    300,100.46x = 55,191,971,629.24
  5. Step 5: Solve for x
    x = 55,191,971,629.24/300,100.46
  6. Step 6: Final answer
    x = 183,911.65

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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.