Finding the Fourth Proportional to 129,447.04, 194,258.40 and 50,560.96
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Solution
The fourth proportional to 129,447.04, 194,258.40 and 50,560.96 is: 75,875.75
Step by Step Solution
- Step 1: Write the proportion equation
129,447.04 : 194,258.40 = 50,560.96 : x - Step 2: Convert to fraction form
129,447.04/194,258.40 = 50,560.96/x - Step 3: Cross multiply
129,447.04x = 194,258.40 × 50,560.96 - Step 4: Simplify right side
129,447.04x = 9,821,891,192.06 - Step 5: Solve for x
x = 9,821,891,192.06/129,447.04 - Step 6: Final answer
x = 75,875.75
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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.