Finding the Fourth Proportional to 269,940.80, 404,911.20 and 157,747.70
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Solution
The fourth proportional to 269,940.80, 404,911.20 and 157,747.70 is: 236,621.55
Step by Step Solution
- Step 1: Write the proportion equation
269,940.80 : 404,911.20 = 157,747.70 : x - Step 2: Convert to fraction form
269,940.80/404,911.20 = 157,747.70/x - Step 3: Cross multiply
269,940.80x = 404,911.20 × 157,747.70 - Step 4: Simplify right side
269,940.80x = 63,873,810,504.24 - Step 5: Solve for x
x = 63,873,810,504.24/269,940.80 - Step 6: Final answer
x = 236,621.55
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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.