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Finding the Fourth Proportional to 330,301.62, 455,813.73 and 179,399.70

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Solution

The fourth proportional to 330,301.62, 455,813.73 and 179,399.70 is: 247,570.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,301.62 : 455,813.73 = 179,399.70 : x
  2. Step 2: Convert to fraction form
    330,301.62/455,813.73 = 179,399.70/x
  3. Step 3: Cross multiply
    330,301.62x = 455,813.73 × 179,399.70
  4. Step 4: Simplify right side
    330,301.62x = 81,772,846,417.88
  5. Step 5: Solve for x
    x = 81,772,846,417.88/330,301.62
  6. Step 6: Final answer
    x = 247,570.23

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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.