Finding the Fourth Proportional to 194,129.28, 291,194.12 and 61,021.17
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Solution
The fourth proportional to 194,129.28, 291,194.12 and 61,021.17 is: 91,531.82
Step by Step Solution
- Step 1: Write the proportion equation
194,129.28 : 291,194.12 = 61,021.17 : x - Step 2: Convert to fraction form
194,129.28/291,194.12 = 61,021.17/x - Step 3: Cross multiply
194,129.28x = 291,194.12 × 61,021.17 - Step 4: Simplify right side
194,129.28x = 17,769,006,052.07 - Step 5: Solve for x
x = 17,769,006,052.07/194,129.28 - Step 6: Final answer
x = 91,531.82
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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.