Finding the Fourth Proportional to 108,201.64, 149,307.30 and 62,260.12
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Solution
The fourth proportional to 108,201.64, 149,307.30 and 62,260.12 is: 85,912.66
Step by Step Solution
- Step 1: Write the proportion equation
108,201.64 : 149,307.30 = 62,260.12 : x - Step 2: Convert to fraction form
108,201.64/149,307.30 = 62,260.12/x - Step 3: Cross multiply
108,201.64x = 149,307.30 × 62,260.12 - Step 4: Simplify right side
108,201.64x = 9,295,890,414.88 - Step 5: Solve for x
x = 9,295,890,414.88/108,201.64 - Step 6: Final answer
x = 85,912.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.