Finding the Fourth Proportional to 198,989.08, 298,538.28 and 58,747.68
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Solution
The fourth proportional to 198,989.08, 298,538.28 and 58,747.68 is: 88,137.66
Step by Step Solution
- Step 1: Write the proportion equation
198,989.08 : 298,538.28 = 58,747.68 : x - Step 2: Convert to fraction form
198,989.08/298,538.28 = 58,747.68/x - Step 3: Cross multiply
198,989.08x = 298,538.28 × 58,747.68 - Step 4: Simplify right side
198,989.08x = 17,538,431,341.19 - Step 5: Solve for x
x = 17,538,431,341.19/198,989.08 - Step 6: Final answer
x = 88,137.66
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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.