Finding the Fourth Proportional to 307,566.45, 461,211.26 and 129,982.05
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Solution
The fourth proportional to 307,566.45, 461,211.26 and 129,982.05 is: 194,914.58
Step by Step Solution
- Step 1: Write the proportion equation
307,566.45 : 461,211.26 = 129,982.05 : x - Step 2: Convert to fraction form
307,566.45/461,211.26 = 129,982.05/x - Step 3: Cross multiply
307,566.45x = 461,211.26 × 129,982.05 - Step 4: Simplify right side
307,566.45x = 59,949,184,407.97 - Step 5: Solve for x
x = 59,949,184,407.97/307,566.45 - Step 6: Final answer
x = 194,914.58
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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.