Finding the Fourth Proportional to 206,122.82, 284,457.65 and 115,479.53
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Solution
The fourth proportional to 206,122.82, 284,457.65 and 115,479.53 is: 159,366.32
Step by Step Solution
- Step 1: Write the proportion equation
206,122.82 : 284,457.65 = 115,479.53 : x - Step 2: Convert to fraction form
206,122.82/284,457.65 = 115,479.53/x - Step 3: Cross multiply
206,122.82x = 284,457.65 × 115,479.53 - Step 4: Simplify right side
206,122.82x = 32,849,033,727.22 - Step 5: Solve for x
x = 32,849,033,727.22/206,122.82 - Step 6: Final answer
x = 159,366.32
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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.