Home / 313,531.62-469,975.32-123,914.94

Finding the Fourth Proportional to 313,531.62, 469,975.32 and 123,914.94

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Solution

The fourth proportional to 313,531.62, 469,975.32 and 123,914.94 is: 185,745.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,531.62 : 469,975.32 = 123,914.94 : x
  2. Step 2: Convert to fraction form
    313,531.62/469,975.32 = 123,914.94/x
  3. Step 3: Cross multiply
    313,531.62x = 469,975.32 × 123,914.94
  4. Step 4: Simplify right side
    313,531.62x = 58,236,963,579.28
  5. Step 5: Solve for x
    x = 58,236,963,579.28/313,531.62
  6. Step 6: Final answer
    x = 185,745.10

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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.