Finding the Fourth Proportional to 668,361.67, 922,397.44 and 366,613.99
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Solution
The fourth proportional to 668,361.67, 922,397.44 and 366,613.99 is: 505,959.30
Step by Step Solution
- Step 1: Write the proportion equation
668,361.67 : 922,397.44 = 366,613.99 : x - Step 2: Convert to fraction form
668,361.67/922,397.44 = 366,613.99/x - Step 3: Cross multiply
668,361.67x = 922,397.44 × 366,613.99 - Step 4: Simplify right side
668,361.67x = 338,163,805,844.19 - Step 5: Solve for x
x = 338,163,805,844.19/668,361.67 - Step 6: Final answer
x = 505,959.30
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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.