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Finding the Fourth Proportional to 305,995.80, 458,994.06 and 95,634.84

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Solution

The fourth proportional to 305,995.80, 458,994.06 and 95,634.84 is: 143,452.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,995.80 : 458,994.06 = 95,634.84 : x
  2. Step 2: Convert to fraction form
    305,995.80/458,994.06 = 95,634.84/x
  3. Step 3: Cross multiply
    305,995.80x = 458,994.06 × 95,634.84
  4. Step 4: Simplify right side
    305,995.80x = 43,895,823,489.05
  5. Step 5: Solve for x
    x = 43,895,823,489.05/305,995.80
  6. Step 6: Final answer
    x = 143,452.37

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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.