Finding the Fourth Proportional to 163,862.75, 245,734.60 and 57,216.75
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Solution
The fourth proportional to 163,862.75, 245,734.60 and 57,216.75 is: 85,804.34
Step by Step Solution
- Step 1: Write the proportion equation
163,862.75 : 245,734.60 = 57,216.75 : x - Step 2: Convert to fraction form
163,862.75/245,734.60 = 57,216.75/x - Step 3: Cross multiply
163,862.75x = 245,734.60 × 57,216.75 - Step 4: Simplify right side
163,862.75x = 14,060,135,174.55 - Step 5: Solve for x
x = 14,060,135,174.55/163,862.75 - Step 6: Final answer
x = 85,804.34
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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.