Finding the Fourth Proportional to 543,081.84, 814,382.19 and 290,301.09
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Solution
The fourth proportional to 543,081.84, 814,382.19 and 290,301.09 is: 435,323.04
Step by Step Solution
- Step 1: Write the proportion equation
543,081.84 : 814,382.19 = 290,301.09 : x - Step 2: Convert to fraction form
543,081.84/814,382.19 = 290,301.09/x - Step 3: Cross multiply
543,081.84x = 814,382.19 × 290,301.09 - Step 4: Simplify right side
543,081.84x = 236,416,037,433.59 - Step 5: Solve for x
x = 236,416,037,433.59/543,081.84 - Step 6: Final answer
x = 435,323.04
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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.