Finding the Fourth Proportional to 68,266.00, 102,318.54 and 30,782.18
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Solution
The fourth proportional to 68,266.00, 102,318.54 and 30,782.18 is: 46,136.99
Step by Step Solution
- Step 1: Write the proportion equation
68,266.00 : 102,318.54 = 30,782.18 : x - Step 2: Convert to fraction form
68,266.00/102,318.54 = 30,782.18/x - Step 3: Cross multiply
68,266.00x = 102,318.54 × 30,782.18 - Step 4: Simplify right side
68,266.00x = 3,149,587,715.62 - Step 5: Solve for x
x = 3,149,587,715.62/68,266.00 - Step 6: Final answer
x = 46,136.99
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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.