Finding the Fourth Proportional to 343,844.92, 515,743.04 and 91,119.82
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Solution
The fourth proportional to 343,844.92, 515,743.04 and 91,119.82 is: 136,673.28
Step by Step Solution
- Step 1: Write the proportion equation
343,844.92 : 515,743.04 = 91,119.82 : x - Step 2: Convert to fraction form
343,844.92/515,743.04 = 91,119.82/x - Step 3: Cross multiply
343,844.92x = 515,743.04 × 91,119.82 - Step 4: Simplify right side
343,844.92x = 46,994,412,971.05 - Step 5: Solve for x
x = 46,994,412,971.05/343,844.92 - Step 6: Final answer
x = 136,673.28
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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.