Finding the Fourth Proportional to 282,153.63, 389,371.80 and 161,297.58
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Solution
The fourth proportional to 282,153.63, 389,371.80 and 161,297.58 is: 222,590.54
Step by Step Solution
- Step 1: Write the proportion equation
282,153.63 : 389,371.80 = 161,297.58 : x - Step 2: Convert to fraction form
282,153.63/389,371.80 = 161,297.58/x - Step 3: Cross multiply
282,153.63x = 389,371.80 × 161,297.58 - Step 4: Simplify right side
282,153.63x = 62,804,729,060.24 - Step 5: Solve for x
x = 62,804,729,060.24/282,153.63 - Step 6: Final answer
x = 222,590.54
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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.