Finding the Fourth Proportional to 183,326.71, 252,517.63 and 129,518.31
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Solution
The fourth proportional to 183,326.71, 252,517.63 and 129,518.31 is: 178,400.94
Step by Step Solution
- Step 1: Write the proportion equation
183,326.71 : 252,517.63 = 129,518.31 : x - Step 2: Convert to fraction form
183,326.71/252,517.63 = 129,518.31/x - Step 3: Cross multiply
183,326.71x = 252,517.63 × 129,518.31 - Step 4: Simplify right side
183,326.71x = 32,705,656,682.81 - Step 5: Solve for x
x = 32,705,656,682.81/183,326.71 - Step 6: Final answer
x = 178,400.94
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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.