Finding the Fourth Proportional to 206,192.40, 284,545.28 and 115,549.08
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Solution
The fourth proportional to 206,192.40, 284,545.28 and 115,549.08 is: 159,457.60
Step by Step Solution
- Step 1: Write the proportion equation
206,192.40 : 284,545.28 = 115,549.08 : x - Step 2: Convert to fraction form
206,192.40/284,545.28 = 115,549.08/x - Step 3: Cross multiply
206,192.40x = 284,545.28 × 115,549.08 - Step 4: Simplify right side
206,192.40x = 32,878,945,322.34 - Step 5: Solve for x
x = 32,878,945,322.34/206,192.40 - Step 6: Final answer
x = 159,457.60
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1.5x scale
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.