Finding the Fourth Proportional to 198,544.08, 274,054.68 and 127,116.48
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Solution
The fourth proportional to 198,544.08, 274,054.68 and 127,116.48 is: 175,461.62
Step by Step Solution
- Step 1: Write the proportion equation
198,544.08 : 274,054.68 = 127,116.48 : x - Step 2: Convert to fraction form
198,544.08/274,054.68 = 127,116.48/x - Step 3: Cross multiply
198,544.08x = 274,054.68 × 127,116.48 - Step 4: Simplify right side
198,544.08x = 34,836,866,249.13 - Step 5: Solve for x
x = 34,836,866,249.13/198,544.08 - Step 6: Final answer
x = 175,461.62
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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.