Finding the Fourth Proportional to 161,272.31, 241,880.16 and 61,438.49
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Solution
The fourth proportional to 161,272.31, 241,880.16 and 61,438.49 is: 92,146.95
Step by Step Solution
- Step 1: Write the proportion equation
161,272.31 : 241,880.16 = 61,438.49 : x - Step 2: Convert to fraction form
161,272.31/241,880.16 = 61,438.49/x - Step 3: Cross multiply
161,272.31x = 241,880.16 × 61,438.49 - Step 4: Simplify right side
161,272.31x = 14,860,750,581.96 - Step 5: Solve for x
x = 14,860,750,581.96/161,272.31 - Step 6: Final answer
x = 92,146.95
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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.