Finding the Fourth Proportional to 203,989.73, 305,765.84 and 98,663.81
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Solution
The fourth proportional to 203,989.73, 305,765.84 and 98,663.81 is: 147,889.91
Step by Step Solution
- Step 1: Write the proportion equation
203,989.73 : 305,765.84 = 98,663.81 : x - Step 2: Convert to fraction form
203,989.73/305,765.84 = 98,663.81/x - Step 3: Cross multiply
203,989.73x = 305,765.84 × 98,663.81 - Step 4: Simplify right side
203,989.73x = 30,168,022,248.93 - Step 5: Solve for x
x = 30,168,022,248.93/203,989.73 - Step 6: Final answer
x = 147,889.91
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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.