Finding the Fourth Proportional to 204,646.49, 307,161.70 and 125,914.49
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Solution
The fourth proportional to 204,646.49, 307,161.70 and 125,914.49 is: 188,989.84
Step by Step Solution
- Step 1: Write the proportion equation
204,646.49 : 307,161.70 = 125,914.49 : x - Step 2: Convert to fraction form
204,646.49/307,161.70 = 125,914.49/x - Step 3: Cross multiply
204,646.49x = 307,161.70 × 125,914.49 - Step 4: Simplify right side
204,646.49x = 38,676,106,952.44 - Step 5: Solve for x
x = 38,676,106,952.44/204,646.49 - Step 6: Final answer
x = 188,989.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.