Finding the Fourth Proportional to 193,715.09, 290,589.30 and 53,473.70
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Solution
The fourth proportional to 193,715.09, 290,589.30 and 53,473.70 is: 80,215.15
Step by Step Solution
- Step 1: Write the proportion equation
193,715.09 : 290,589.30 = 53,473.70 : x - Step 2: Convert to fraction form
193,715.09/290,589.30 = 53,473.70/x - Step 3: Cross multiply
193,715.09x = 290,589.30 × 53,473.70 - Step 4: Simplify right side
193,715.09x = 15,538,885,051.41 - Step 5: Solve for x
x = 15,538,885,051.41/193,715.09 - Step 6: Final answer
x = 80,215.15
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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.