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Finding the Fourth Proportional to 330,008.77, 455,333.25 and 200,945.71

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Solution

The fourth proportional to 330,008.77, 455,333.25 and 200,945.71 is: 277,257.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,008.77 : 455,333.25 = 200,945.71 : x
  2. Step 2: Convert to fraction form
    330,008.77/455,333.25 = 200,945.71/x
  3. Step 3: Cross multiply
    330,008.77x = 455,333.25 × 200,945.71
  4. Step 4: Simplify right side
    330,008.77x = 91,497,263,207.86
  5. Step 5: Solve for x
    x = 91,497,263,207.86/330,008.77
  6. Step 6: Final answer
    x = 277,257.07

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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.