Finding the Fourth Proportional to 68,197.80, 102,231.08 and 34,933.53
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Solution
The fourth proportional to 68,197.80, 102,231.08 and 34,933.53 is: 52,366.68
Step by Step Solution
- Step 1: Write the proportion equation
68,197.80 : 102,231.08 = 34,933.53 : x - Step 2: Convert to fraction form
68,197.80/102,231.08 = 34,933.53/x - Step 3: Cross multiply
68,197.80x = 102,231.08 × 34,933.53 - Step 4: Simplify right side
68,197.80x = 3,571,292,500.11 - Step 5: Solve for x
x = 3,571,292,500.11/68,197.80 - Step 6: Final answer
x = 52,366.68
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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.