Finding the Fourth Proportional to 204,394.55, 282,094.29 and 122,728.32
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Solution
The fourth proportional to 204,394.55, 282,094.29 and 122,728.32 is: 169,382.99
Step by Step Solution
- Step 1: Write the proportion equation
204,394.55 : 282,094.29 = 122,728.32 : x - Step 2: Convert to fraction form
204,394.55/282,094.29 = 122,728.32/x - Step 3: Cross multiply
204,394.55x = 282,094.29 × 122,728.32 - Step 4: Simplify right side
204,394.55x = 34,620,958,293.29 - Step 5: Solve for x
x = 34,620,958,293.29/204,394.55 - Step 6: Final answer
x = 169,382.99
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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.