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Finding the Fourth Proportional to 369,727.75, 510,224.30 and 199,961.88

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Solution

The fourth proportional to 369,727.75, 510,224.30 and 199,961.88 is: 275,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,727.75 : 510,224.30 = 199,961.88 : x
  2. Step 2: Convert to fraction form
    369,727.75/510,224.30 = 199,961.88/x
  3. Step 3: Cross multiply
    369,727.75x = 510,224.30 × 199,961.88
  4. Step 4: Simplify right side
    369,727.75x = 102,025,410,249.68
  5. Step 5: Solve for x
    x = 102,025,410,249.68/369,727.75
  6. Step 6: Final answer
    x = 275,947.40

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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.