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Finding the Fourth Proportional to 351,336, 484,843.44 and 190,192.32

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Solution

The fourth proportional to 351,336, 484,843.44 and 190,192.32 is: 262,465.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,336 : 484,843.44 = 190,192.32 : x
  2. Step 2: Convert to fraction form
    351,336/484,843.44 = 190,192.32/x
  3. Step 3: Cross multiply
    351,336x = 484,843.44 × 190,192.32
  4. Step 4: Simplify right side
    351,336x = 92,213,498,690.38
  5. Step 5: Solve for x
    x = 92,213,498,690.38/351,336
  6. Step 6: Final answer
    x = 262,465.27

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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.