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Finding the Fourth Proportional to 455,394.84, 683,103.21 and 155,873.44

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Solution

The fourth proportional to 455,394.84, 683,103.21 and 155,873.44 is: 233,813.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,394.84 : 683,103.21 = 155,873.44 : x
  2. Step 2: Convert to fraction form
    455,394.84/683,103.21 = 155,873.44/x
  3. Step 3: Cross multiply
    455,394.84x = 683,103.21 × 155,873.44
  4. Step 4: Simplify right side
    455,394.84x = 106,477,647,217.74
  5. Step 5: Solve for x
    x = 106,477,647,217.74/455,394.84
  6. Step 6: Final answer
    x = 233,813.91

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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.