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Finding the Fourth Proportional to 329,004.84, 454,035.42 and 199,899.48

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Solution

The fourth proportional to 329,004.84, 454,035.42 and 199,899.48 is: 275,866.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,004.84 : 454,035.42 = 199,899.48 : x
  2. Step 2: Convert to fraction form
    329,004.84/454,035.42 = 199,899.48/x
  3. Step 3: Cross multiply
    329,004.84x = 454,035.42 × 199,899.48
  4. Step 4: Simplify right side
    329,004.84x = 90,761,444,359.58
  5. Step 5: Solve for x
    x = 90,761,444,359.58/329,004.84
  6. Step 6: Final answer
    x = 275,866.59

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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.