Finding the Fourth Proportional to 239,794.19, 330,940.26 and 205,914.83
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Solution
The fourth proportional to 239,794.19, 330,940.26 and 205,914.83 is: 284,183.31
Step by Step Solution
- Step 1: Write the proportion equation
239,794.19 : 330,940.26 = 205,914.83 : x - Step 2: Convert to fraction form
239,794.19/330,940.26 = 205,914.83/x - Step 3: Cross multiply
239,794.19x = 330,940.26 × 205,914.83 - Step 4: Simplify right side
239,794.19x = 68,145,506,348.48 - Step 5: Solve for x
x = 68,145,506,348.48/239,794.19 - Step 6: Final answer
x = 284,183.31
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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.