Finding the Fourth Proportional to 163,436.08, 225,529.66 and 91,828.03
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Solution
The fourth proportional to 163,436.08, 225,529.66 and 91,828.03 is: 126,715.86
Step by Step Solution
- Step 1: Write the proportion equation
163,436.08 : 225,529.66 = 91,828.03 : x - Step 2: Convert to fraction form
163,436.08/225,529.66 = 91,828.03/x - Step 3: Cross multiply
163,436.08x = 225,529.66 × 91,828.03 - Step 4: Simplify right side
163,436.08x = 20,709,943,590.98 - Step 5: Solve for x
x = 20,709,943,590.98/163,436.08 - Step 6: Final answer
x = 126,715.86
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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.