Finding the Fourth Proportional to 129,670.88, 194,517.25 and 36,176.63
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Solution
The fourth proportional to 129,670.88, 194,517.25 and 36,176.63 is: 54,267.99
Step by Step Solution
- Step 1: Write the proportion equation
129,670.88 : 194,517.25 = 36,176.63 : x - Step 2: Convert to fraction form
129,670.88/194,517.25 = 36,176.63/x - Step 3: Cross multiply
129,670.88x = 194,517.25 × 36,176.63 - Step 4: Simplify right side
129,670.88x = 7,036,977,518.84 - Step 5: Solve for x
x = 7,036,977,518.84/129,670.88 - Step 6: Final answer
x = 54,267.99
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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.