Finding the Fourth Proportional to 282,118.93, 389,324.08 and 161,262.81
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Solution
The fourth proportional to 282,118.93, 389,324.08 and 161,262.81 is: 222,542.66
Step by Step Solution
- Step 1: Write the proportion equation
282,118.93 : 389,324.08 = 161,262.81 : x - Step 2: Convert to fraction form
282,118.93/389,324.08 = 161,262.81/x - Step 3: Cross multiply
282,118.93x = 389,324.08 × 161,262.81 - Step 4: Simplify right side
282,118.93x = 62,783,495,343.04 - Step 5: Solve for x
x = 62,783,495,343.04/282,118.93 - Step 6: Final answer
x = 222,542.66
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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.