Finding the Fourth Proportional to 197,969.43, 273,194.46 and 111,926.99
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Solution
The fourth proportional to 197,969.43, 273,194.46 and 111,926.99 is: 154,457.34
Step by Step Solution
- Step 1: Write the proportion equation
197,969.43 : 273,194.46 = 111,926.99 : x - Step 2: Convert to fraction form
197,969.43/273,194.46 = 111,926.99/x - Step 3: Cross multiply
197,969.43x = 273,194.46 × 111,926.99 - Step 4: Simplify right side
197,969.43x = 30,577,832,226.50 - Step 5: Solve for x
x = 30,577,832,226.50/197,969.43 - Step 6: Final answer
x = 154,457.34
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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.