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Finding the Fourth Proportional to 286,662.68, 395,530.26 and 173,483

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Solution

The fourth proportional to 286,662.68, 395,530.26 and 173,483 is: 239,367.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,662.68 : 395,530.26 = 173,483 : x
  2. Step 2: Convert to fraction form
    286,662.68/395,530.26 = 173,483/x
  3. Step 3: Cross multiply
    286,662.68x = 395,530.26 × 173,483
  4. Step 4: Simplify right side
    286,662.68x = 68,617,776,095.58
  5. Step 5: Solve for x
    x = 68,617,776,095.58/286,662.68
  6. Step 6: Final answer
    x = 239,367.66

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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.