Finding the Fourth Proportional to 197,112.98, 272,016.18 and 112,230.08
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Solution
The fourth proportional to 197,112.98, 272,016.18 and 112,230.08 is: 154,877.66
Step by Step Solution
- Step 1: Write the proportion equation
197,112.98 : 272,016.18 = 112,230.08 : x - Step 2: Convert to fraction form
197,112.98/272,016.18 = 112,230.08/x - Step 3: Cross multiply
197,112.98x = 272,016.18 × 112,230.08 - Step 4: Simplify right side
197,112.98x = 30,528,397,642.69 - Step 5: Solve for x
x = 30,528,397,642.69/197,112.98 - Step 6: Final answer
x = 154,877.66
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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.