Finding the Fourth Proportional to 198,796.09, 298,289.93 and 98,965.08
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Solution
The fourth proportional to 198,796.09, 298,289.93 and 98,965.08 is: 148,495.31
Step by Step Solution
- Step 1: Write the proportion equation
198,796.09 : 298,289.93 = 98,965.08 : x - Step 2: Convert to fraction form
198,796.09/298,289.93 = 98,965.08/x - Step 3: Cross multiply
198,796.09x = 298,289.93 × 98,965.08 - Step 4: Simplify right side
198,796.09x = 29,520,286,785.64 - Step 5: Solve for x
x = 29,520,286,785.64/198,796.09 - Step 6: Final answer
x = 148,495.31
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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.