Finding the Fourth Proportional to 129,971.66, 194,964.42 and 41,232.26
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Solution
The fourth proportional to 129,971.66, 194,964.42 and 41,232.26 is: 61,850.59
Step by Step Solution
- Step 1: Write the proportion equation
129,971.66 : 194,964.42 = 41,232.26 : x - Step 2: Convert to fraction form
129,971.66/194,964.42 = 41,232.26/x - Step 3: Cross multiply
129,971.66x = 194,964.42 × 41,232.26 - Step 4: Simplify right side
129,971.66x = 8,038,823,656.19 - Step 5: Solve for x
x = 8,038,823,656.19/129,971.66 - Step 6: Final answer
x = 61,850.59
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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.