Finding the Fourth Proportional to 344,343.57, 475,250.53 and 286,891.78
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Solution
The fourth proportional to 344,343.57, 475,250.53 and 286,891.78 is: 395,957.65
Step by Step Solution
- Step 1: Write the proportion equation
344,343.57 : 475,250.53 = 286,891.78 : x - Step 2: Convert to fraction form
344,343.57/475,250.53 = 286,891.78/x - Step 3: Cross multiply
344,343.57x = 475,250.53 × 286,891.78 - Step 4: Simplify right side
344,343.57x = 136,345,469,063.19 - Step 5: Solve for x
x = 136,345,469,063.19/344,343.57 - Step 6: Final answer
x = 395,957.65
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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.