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Finding the Fourth Proportional to 408,310.32, 612,066.36 and 183,727.29

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Solution

The fourth proportional to 408,310.32, 612,066.36 and 183,727.29 is: 275,411.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,310.32 : 612,066.36 = 183,727.29 : x
  2. Step 2: Convert to fraction form
    408,310.32/612,066.36 = 183,727.29/x
  3. Step 3: Cross multiply
    408,310.32x = 612,066.36 × 183,727.29
  4. Step 4: Simplify right side
    408,310.32x = 112,453,293,622.96
  5. Step 5: Solve for x
    x = 112,453,293,622.96/408,310.32
  6. Step 6: Final answer
    x = 275,411.34

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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.