Finding the Fourth Proportional to 137,409.94, 204,765.48 and 132,894.70
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Solution
The fourth proportional to 137,409.94, 204,765.48 and 132,894.70 is: 198,036.96
Step by Step Solution
- Step 1: Write the proportion equation
137,409.94 : 204,765.48 = 132,894.70 : x - Step 2: Convert to fraction form
137,409.94/204,765.48 = 132,894.70/x - Step 3: Cross multiply
137,409.94x = 204,765.48 × 132,894.70 - Step 4: Simplify right side
137,409.94x = 27,212,246,523.04 - Step 5: Solve for x
x = 27,212,246,523.04/137,409.94 - Step 6: Final answer
x = 198,036.96
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.