Finding the Fourth Proportional to 135,985.21, 204,014.73 and 41,211.56
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Solution
The fourth proportional to 135,985.21, 204,014.73 and 41,211.56 is: 61,828.53
Step by Step Solution
- Step 1: Write the proportion equation
135,985.21 : 204,014.73 = 41,211.56 : x - Step 2: Convert to fraction form
135,985.21/204,014.73 = 41,211.56/x - Step 3: Cross multiply
135,985.21x = 204,014.73 × 41,211.56 - Step 4: Simplify right side
135,985.21x = 8,407,765,080.22 - Step 5: Solve for x
x = 8,407,765,080.22/135,985.21 - Step 6: Final answer
x = 61,828.53
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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.