Finding the Fourth Proportional to 275,397.32, 412,569.34 and 186,213.08
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Solution
The fourth proportional to 275,397.32, 412,569.34 and 186,213.08 is: 278,963.53
Step by Step Solution
- Step 1: Write the proportion equation
275,397.32 : 412,569.34 = 186,213.08 : x - Step 2: Convert to fraction form
275,397.32/412,569.34 = 186,213.08/x - Step 3: Cross multiply
275,397.32x = 412,569.34 × 186,213.08 - Step 4: Simplify right side
275,397.32x = 76,825,807,514.97 - Step 5: Solve for x
x = 76,825,807,514.97/275,397.32 - Step 6: Final answer
x = 278,963.53
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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.