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Finding the Fourth Proportional to 329,548.10, 494,322.15 and 329,548.10

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Solution

The fourth proportional to 329,548.10, 494,322.15 and 329,548.10 is: 494,322.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,548.10 : 494,322.15 = 329,548.10 : x
  2. Step 2: Convert to fraction form
    329,548.10/494,322.15 = 329,548.10/x
  3. Step 3: Cross multiply
    329,548.10x = 494,322.15 × 329,548.10
  4. Step 4: Simplify right side
    329,548.10x = 162,902,925,320.42
  5. Step 5: Solve for x
    x = 162,902,925,320.42/329,548.10
  6. Step 6: Final answer
    x = 494,322.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.