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Finding the Fourth Proportional to 228,844.68, 343,290.09 and 60,376.65

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Solution

The fourth proportional to 228,844.68, 343,290.09 and 60,376.65 is: 90,571.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,844.68 : 343,290.09 = 60,376.65 : x
  2. Step 2: Convert to fraction form
    228,844.68/343,290.09 = 60,376.65/x
  3. Step 3: Cross multiply
    228,844.68x = 343,290.09 × 60,376.65
  4. Step 4: Simplify right side
    228,844.68x = 20,726,705,612.40
  5. Step 5: Solve for x
    x = 20,726,705,612.40/228,844.68
  6. Step 6: Final answer
    x = 90,571.06

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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.