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Finding the Fourth Proportional to 329,168.80, 454,127.75 and 243,333.87

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Solution

The fourth proportional to 329,168.80, 454,127.75 and 243,333.87 is: 335,708.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,168.80 : 454,127.75 = 243,333.87 : x
  2. Step 2: Convert to fraction form
    329,168.80/454,127.75 = 243,333.87/x
  3. Step 3: Cross multiply
    329,168.80x = 454,127.75 × 243,333.87
  4. Step 4: Simplify right side
    329,168.80x = 110,504,662,577.73
  5. Step 5: Solve for x
    x = 110,504,662,577.73/329,168.80
  6. Step 6: Final answer
    x = 335,708.19

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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.