Finding the Fourth Proportional to 427,716.09, 590,241.06 and 236,725.38
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Solution
The fourth proportional to 427,716.09, 590,241.06 and 236,725.38 is: 326,677.07
Step by Step Solution
- Step 1: Write the proportion equation
427,716.09 : 590,241.06 = 236,725.38 : x - Step 2: Convert to fraction form
427,716.09/590,241.06 = 236,725.38/x - Step 3: Cross multiply
427,716.09x = 590,241.06 × 236,725.38 - Step 4: Simplify right side
427,716.09x = 139,725,039,220.10 - Step 5: Solve for x
x = 139,725,039,220.10/427,716.09 - Step 6: Final answer
x = 326,677.07
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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.