Home / 313,485.85-469,907.07-123,869.44

Finding the Fourth Proportional to 313,485.85, 469,907.07 and 123,869.44

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Solution

The fourth proportional to 313,485.85, 469,907.07 and 123,869.44 is: 185,677.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,485.85 : 469,907.07 = 123,869.44 : x
  2. Step 2: Convert to fraction form
    313,485.85/469,907.07 = 123,869.44/x
  3. Step 3: Cross multiply
    313,485.85x = 469,907.07 × 123,869.44
  4. Step 4: Simplify right side
    313,485.85x = 58,207,125,612.94
  5. Step 5: Solve for x
    x = 58,207,125,612.94/313,485.85
  6. Step 6: Final answer
    x = 185,677.04

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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.