Finding the Fourth Proportional to 261,268.02, 360,578.06 and 148,078.62
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Solution
The fourth proportional to 261,268.02, 360,578.06 and 148,078.62 is: 204,364.47
Step by Step Solution
- Step 1: Write the proportion equation
261,268.02 : 360,578.06 = 148,078.62 : x - Step 2: Convert to fraction form
261,268.02/360,578.06 = 148,078.62/x - Step 3: Cross multiply
261,268.02x = 360,578.06 × 148,078.62 - Step 4: Simplify right side
261,268.02x = 53,393,901,527.08 - Step 5: Solve for x
x = 53,393,901,527.08/261,268.02 - Step 6: Final answer
x = 204,364.47
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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.