Finding the Fourth Proportional to 294,129.44, 405,898.63 and 166,805.03
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Solution
The fourth proportional to 294,129.44, 405,898.63 and 166,805.03 is: 230,190.94
Step by Step Solution
- Step 1: Write the proportion equation
294,129.44 : 405,898.63 = 166,805.03 : x - Step 2: Convert to fraction form
294,129.44/405,898.63 = 166,805.03/x - Step 3: Cross multiply
294,129.44x = 405,898.63 × 166,805.03 - Step 4: Simplify right side
294,129.44x = 67,705,932,320.08 - Step 5: Solve for x
x = 67,705,932,320.08/294,129.44 - Step 6: Final answer
x = 230,190.94
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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.