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Finding the Fourth Proportional to 300,278.67, 414,150.53 and 192,858.69

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Solution

The fourth proportional to 300,278.67, 414,150.53 and 192,858.69 is: 265,994.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,278.67 : 414,150.53 = 192,858.69 : x
  2. Step 2: Convert to fraction form
    300,278.67/414,150.53 = 192,858.69/x
  3. Step 3: Cross multiply
    300,278.67x = 414,150.53 × 192,858.69
  4. Step 4: Simplify right side
    300,278.67x = 79,872,527,714.31
  5. Step 5: Solve for x
    x = 79,872,527,714.31/300,278.67
  6. Step 6: Final answer
    x = 265,994.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.