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Finding the Fourth Proportional to 286,594.15, 395,904.67 and 229,611.87

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Solution

The fourth proportional to 286,594.15, 395,904.67 and 229,611.87 is: 317,188.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,594.15 : 395,904.67 = 229,611.87 : x
  2. Step 2: Convert to fraction form
    286,594.15/395,904.67 = 229,611.87/x
  3. Step 3: Cross multiply
    286,594.15x = 395,904.67 × 229,611.87
  4. Step 4: Simplify right side
    286,594.15x = 90,904,411,620.43
  5. Step 5: Solve for x
    x = 90,904,411,620.43/286,594.15
  6. Step 6: Final answer
    x = 317,188.65

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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.