Finding the Fourth Proportional to 197,489.59, 272,528.89 and 112,633.99
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Solution
The fourth proportional to 197,489.59, 272,528.89 and 112,633.99 is: 155,431.06
Step by Step Solution
- Step 1: Write the proportion equation
197,489.59 : 272,528.89 = 112,633.99 : x - Step 2: Convert to fraction form
197,489.59/272,528.89 = 112,633.99/x - Step 3: Cross multiply
197,489.59x = 272,528.89 × 112,633.99 - Step 4: Simplify right side
197,489.59x = 30,696,016,270.97 - Step 5: Solve for x
x = 30,696,016,270.97/197,489.59 - Step 6: Final answer
x = 155,431.06
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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.