Finding the Fourth Proportional to 233,076.24, 321,642.88 and 129,708.69
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Solution
The fourth proportional to 233,076.24, 321,642.88 and 129,708.69 is: 178,996.69
Step by Step Solution
- Step 1: Write the proportion equation
233,076.24 : 321,642.88 = 129,708.69 : x - Step 2: Convert to fraction form
233,076.24/321,642.88 = 129,708.69/x - Step 3: Cross multiply
233,076.24x = 321,642.88 × 129,708.69 - Step 4: Simplify right side
233,076.24x = 41,719,876,612.63 - Step 5: Solve for x
x = 41,719,876,612.63/233,076.24 - Step 6: Final answer
x = 178,996.69
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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.