Finding the Fourth Proportional to 188,692.91, 283,170.58 and 121,967.54
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Solution
The fourth proportional to 188,692.91, 283,170.58 and 121,967.54 is: 183,036.12
Step by Step Solution
- Step 1: Write the proportion equation
188,692.91 : 283,170.58 = 121,967.54 : x - Step 2: Convert to fraction form
188,692.91/283,170.58 = 121,967.54/x - Step 3: Cross multiply
188,692.91x = 283,170.58 × 121,967.54 - Step 4: Simplify right side
188,692.91x = 34,537,619,042.97 - Step 5: Solve for x
x = 34,537,619,042.97/188,692.91 - Step 6: Final answer
x = 183,036.12
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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.