Finding the Fourth Proportional to 188,692.15, 283,169.45 and 121,966.78
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Solution
The fourth proportional to 188,692.15, 283,169.45 and 121,966.78 is: 183,034.99
Step by Step Solution
- Step 1: Write the proportion equation
188,692.15 : 283,169.45 = 121,966.78 : x - Step 2: Convert to fraction form
188,692.15/283,169.45 = 121,966.78/x - Step 3: Cross multiply
188,692.15x = 283,169.45 × 121,966.78 - Step 4: Simplify right side
188,692.15x = 34,537,266,010.87 - Step 5: Solve for x
x = 34,537,266,010.87/188,692.15 - Step 6: Final answer
x = 183,034.99
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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.