Finding the Fourth Proportional to 306,224.45, 422,613.42 and 183,721.44
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Solution
The fourth proportional to 306,224.45, 422,613.42 and 183,721.44 is: 253,549.80
Step by Step Solution
- Step 1: Write the proportion equation
306,224.45 : 422,613.42 = 183,721.44 : x - Step 2: Convert to fraction form
306,224.45/422,613.42 = 183,721.44/x - Step 3: Cross multiply
306,224.45x = 422,613.42 × 183,721.44 - Step 4: Simplify right side
306,224.45x = 77,643,146,981.57 - Step 5: Solve for x
x = 77,643,146,981.57/306,224.45 - Step 6: Final answer
x = 253,549.80
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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.