Finding the Fourth Proportional to 315,326.09, 472,707.83 and 115,599.84
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Solution
The fourth proportional to 315,326.09, 472,707.83 and 115,599.84 is: 173,296.63
Step by Step Solution
- Step 1: Write the proportion equation
315,326.09 : 472,707.83 = 115,599.84 : x - Step 2: Convert to fraction form
315,326.09/472,707.83 = 115,599.84/x - Step 3: Cross multiply
315,326.09x = 472,707.83 × 115,599.84 - Step 4: Simplify right side
315,326.09x = 54,644,949,514.75 - Step 5: Solve for x
x = 54,644,949,514.75/315,326.09 - Step 6: Final answer
x = 173,296.63
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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.