Finding the Fourth Proportional to 303,518.63, 418,855.71 and 169,382.63
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Solution
The fourth proportional to 303,518.63, 418,855.71 and 169,382.63 is: 233,748.03
Step by Step Solution
- Step 1: Write the proportion equation
303,518.63 : 418,855.71 = 169,382.63 : x - Step 2: Convert to fraction form
303,518.63/418,855.71 = 169,382.63/x - Step 3: Cross multiply
303,518.63x = 418,855.71 × 169,382.63 - Step 4: Simplify right side
303,518.63x = 70,946,879,656.04 - Step 5: Solve for x
x = 70,946,879,656.04/303,518.63 - Step 6: Final answer
x = 233,748.03
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1.5x scale
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.