Finding the Fourth Proportional to 343,891.80, 515,837.70 and 107,232.60
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Solution
The fourth proportional to 343,891.80, 515,837.70 and 107,232.60 is: 160,848.90
Step by Step Solution
- Step 1: Write the proportion equation
343,891.80 : 515,837.70 = 107,232.60 : x - Step 2: Convert to fraction form
343,891.80/515,837.70 = 107,232.60/x - Step 3: Cross multiply
343,891.80x = 515,837.70 × 107,232.60 - Step 4: Simplify right side
343,891.80x = 55,314,617,749.02 - Step 5: Solve for x
x = 55,314,617,749.02/343,891.80 - Step 6: Final answer
x = 160,848.90
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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.