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Finding the Fourth Proportional to 330,256.94, 455,756.91 and 179,353.94

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Solution

The fourth proportional to 330,256.94, 455,756.91 and 179,353.94 is: 247,509.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,256.94 : 455,756.91 = 179,353.94 : x
  2. Step 2: Convert to fraction form
    330,256.94/455,756.91 = 179,353.94/x
  3. Step 3: Cross multiply
    330,256.94x = 455,756.91 × 179,353.94
  4. Step 4: Simplify right side
    330,256.94x = 81,741,797,490.73
  5. Step 5: Solve for x
    x = 81,741,797,490.73/330,256.94
  6. Step 6: Final answer
    x = 247,509.70

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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.