Finding the Fourth Proportional to 268,260.68, 370,197.78 and 145,751.96
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Solution
The fourth proportional to 268,260.68, 370,197.78 and 145,751.96 is: 201,136.64
Step by Step Solution
- Step 1: Write the proportion equation
268,260.68 : 370,197.78 = 145,751.96 : x - Step 2: Convert to fraction form
268,260.68/370,197.78 = 145,751.96/x - Step 3: Cross multiply
268,260.68x = 370,197.78 × 145,751.96 - Step 4: Simplify right side
268,260.68x = 53,957,052,022.65 - Step 5: Solve for x
x = 53,957,052,022.65/268,260.68 - Step 6: Final answer
x = 201,136.64
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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.