Finding the Fourth Proportional to 183,828.80, 275,745.12 and 78,582.08
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Solution
The fourth proportional to 183,828.80, 275,745.12 and 78,582.08 is: 117,873.94
Step by Step Solution
- Step 1: Write the proportion equation
183,828.80 : 275,745.12 = 78,582.08 : x - Step 2: Convert to fraction form
183,828.80/275,745.12 = 78,582.08/x - Step 3: Cross multiply
183,828.80x = 275,745.12 × 78,582.08 - Step 4: Simplify right side
183,828.80x = 21,668,625,079.45 - Step 5: Solve for x
x = 21,668,625,079.45/183,828.80 - Step 6: Final answer
x = 117,873.94
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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.