Finding the Fourth Proportional to 393,695.22, 589,654.99 and 182,889.54
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Solution
The fourth proportional to 393,695.22, 589,654.99 and 182,889.54 is: 273,921.87
Step by Step Solution
- Step 1: Write the proportion equation
393,695.22 : 589,654.99 = 182,889.54 : x - Step 2: Convert to fraction form
393,695.22/589,654.99 = 182,889.54/x - Step 3: Cross multiply
393,695.22x = 589,654.99 × 182,889.54 - Step 4: Simplify right side
393,695.22x = 107,841,729,879.81 - Step 5: Solve for x
x = 107,841,729,879.81/393,695.22 - Step 6: Final answer
x = 273,921.87
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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.