Finding the Fourth Proportional to 282,053.09, 389,231.00 and 152,991.24
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Solution
The fourth proportional to 282,053.09, 389,231.00 and 152,991.24 is: 211,126.68
Step by Step Solution
- Step 1: Write the proportion equation
282,053.09 : 389,231.00 = 152,991.24 : x - Step 2: Convert to fraction form
282,053.09/389,231.00 = 152,991.24/x - Step 3: Cross multiply
282,053.09x = 389,231.00 × 152,991.24 - Step 4: Simplify right side
282,053.09x = 59,548,932,571.48 - Step 5: Solve for x
x = 59,548,932,571.48/282,053.09 - Step 6: Final answer
x = 211,126.68
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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.