Finding the Fourth Proportional to 134,891.40, 202,466.70 and 68,406.60
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Solution
The fourth proportional to 134,891.40, 202,466.70 and 68,406.60 is: 102,675.62
Step by Step Solution
- Step 1: Write the proportion equation
134,891.40 : 202,466.70 = 68,406.60 : x - Step 2: Convert to fraction form
134,891.40/202,466.70 = 68,406.60/x - Step 3: Cross multiply
134,891.40x = 202,466.70 × 68,406.60 - Step 4: Simplify right side
134,891.40x = 13,850,058,560.22 - Step 5: Solve for x
x = 13,850,058,560.22/134,891.40 - Step 6: Final answer
x = 102,675.62
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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.