Finding the Fourth Proportional to 207,769.05, 286,653.94 and 127,112.49
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Solution
The fourth proportional to 207,769.05, 286,653.94 and 127,112.49 is: 175,374.03
Step by Step Solution
- Step 1: Write the proportion equation
207,769.05 : 286,653.94 = 127,112.49 : x - Step 2: Convert to fraction form
207,769.05/286,653.94 = 127,112.49/x - Step 3: Cross multiply
207,769.05x = 286,653.94 × 127,112.49 - Step 4: Simplify right side
207,769.05x = 36,437,295,763.93 - Step 5: Solve for x
x = 36,437,295,763.93/207,769.05 - Step 6: Final answer
x = 175,374.03
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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.