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Finding the Fourth Proportional to 328,158, 452,858.22 and 177,255

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Solution

The fourth proportional to 328,158, 452,858.22 and 177,255 is: 244,612.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,158 : 452,858.22 = 177,255 : x
  2. Step 2: Convert to fraction form
    328,158/452,858.22 = 177,255/x
  3. Step 3: Cross multiply
    328,158x = 452,858.22 × 177,255
  4. Step 4: Simplify right side
    328,158x = 80,271,383,786.10
  5. Step 5: Solve for x
    x = 80,271,383,786.10/328,158
  6. Step 6: Final answer
    x = 244,612.00

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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.