Finding the Fourth Proportional to 200,310.36, 276,428.36 and 109,672.08
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Solution
The fourth proportional to 200,310.36, 276,428.36 and 109,672.08 is: 151,347.51
Step by Step Solution
- Step 1: Write the proportion equation
200,310.36 : 276,428.36 = 109,672.08 : x - Step 2: Convert to fraction form
200,310.36/276,428.36 = 109,672.08/x - Step 3: Cross multiply
200,310.36x = 276,428.36 × 109,672.08 - Step 4: Simplify right side
200,310.36x = 30,316,473,212.19 - Step 5: Solve for x
x = 30,316,473,212.19/200,310.36 - Step 6: Final answer
x = 151,347.51
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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.