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Finding the Fourth Proportional to 323,020.26, 445,810.26 and 185,253.16

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Solution

The fourth proportional to 323,020.26, 445,810.26 and 185,253.16 is: 255,673.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,020.26 : 445,810.26 = 185,253.16 : x
  2. Step 2: Convert to fraction form
    323,020.26/445,810.26 = 185,253.16/x
  3. Step 3: Cross multiply
    323,020.26x = 445,810.26 × 185,253.16
  4. Step 4: Simplify right side
    323,020.26x = 82,587,759,425.42
  5. Step 5: Solve for x
    x = 82,587,759,425.42/323,020.26
  6. Step 6: Final answer
    x = 255,673.62

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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.