Finding the Fourth Proportional to 207,727.26, 311,643.45 and 57,967.53
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Solution
The fourth proportional to 207,727.26, 311,643.45 and 57,967.53 is: 86,965.96
Step by Step Solution
- Step 1: Write the proportion equation
207,727.26 : 311,643.45 = 57,967.53 : x - Step 2: Convert to fraction form
207,727.26/311,643.45 = 57,967.53/x - Step 3: Cross multiply
207,727.26x = 311,643.45 × 57,967.53 - Step 4: Simplify right side
207,727.26x = 18,065,201,037.18 - Step 5: Solve for x
x = 18,065,201,037.18/207,727.26 - Step 6: Final answer
x = 86,965.96
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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.