Finding the Fourth Proportional to 334,742.49, 461,715.37 and 213,830.09
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Solution
The fourth proportional to 334,742.49, 461,715.37 and 213,830.09 is: 294,939.07
Step by Step Solution
- Step 1: Write the proportion equation
334,742.49 : 461,715.37 = 213,830.09 : x - Step 2: Convert to fraction form
334,742.49/461,715.37 = 213,830.09/x - Step 3: Cross multiply
334,742.49x = 461,715.37 × 213,830.09 - Step 4: Simplify right side
334,742.49x = 98,728,639,121.48 - Step 5: Solve for x
x = 98,728,639,121.48/334,742.49 - Step 6: Final answer
x = 294,939.07
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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.