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Finding the Fourth Proportional to 329,908.80, 445,726.80 and 329,908.80

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Solution

The fourth proportional to 329,908.80, 445,726.80 and 329,908.80 is: 445,726.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,908.80 : 445,726.80 = 329,908.80 : x
  2. Step 2: Convert to fraction form
    329,908.80/445,726.80 = 329,908.80/x
  3. Step 3: Cross multiply
    329,908.80x = 445,726.80 × 329,908.80
  4. Step 4: Simplify right side
    329,908.80x = 147,049,193,715.84
  5. Step 5: Solve for x
    x = 147,049,193,715.84/329,908.80
  6. Step 6: Final answer
    x = 445,726.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.