Finding the Fourth Proportional to 163,927.40, 245,891.10 and 161,469.80
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Solution
The fourth proportional to 163,927.40, 245,891.10 and 161,469.80 is: 242,204.70
Step by Step Solution
- Step 1: Write the proportion equation
163,927.40 : 245,891.10 = 161,469.80 : x - Step 2: Convert to fraction form
163,927.40/245,891.10 = 161,469.80/x - Step 3: Cross multiply
163,927.40x = 245,891.10 × 161,469.80 - Step 4: Simplify right side
163,927.40x = 39,703,986,738.78 - Step 5: Solve for x
x = 39,703,986,738.78/163,927.40 - Step 6: Final answer
x = 242,204.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.