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Finding the Fourth Proportional to 329,337.01, 454,808.01 and 281,310.49

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Solution

The fourth proportional to 329,337.01, 454,808.01 and 281,310.49 is: 388,484.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,337.01 : 454,808.01 = 281,310.49 : x
  2. Step 2: Convert to fraction form
    329,337.01/454,808.01 = 281,310.49/x
  3. Step 3: Cross multiply
    329,337.01x = 454,808.01 × 281,310.49
  4. Step 4: Simplify right side
    329,337.01x = 127,942,264,149.03
  5. Step 5: Solve for x
    x = 127,942,264,149.03/329,337.01
  6. Step 6: Final answer
    x = 388,484.32

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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.