Finding the Fourth Proportional to 207,857.29, 286,843.49 and 112,363.98
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Solution
The fourth proportional to 207,857.29, 286,843.49 and 112,363.98 is: 155,062.53
Step by Step Solution
- Step 1: Write the proportion equation
207,857.29 : 286,843.49 = 112,363.98 : x - Step 2: Convert to fraction form
207,857.29/286,843.49 = 112,363.98/x - Step 3: Cross multiply
207,857.29x = 286,843.49 × 112,363.98 - Step 4: Simplify right side
207,857.29x = 32,230,875,611.67 - Step 5: Solve for x
x = 32,230,875,611.67/207,857.29 - Step 6: Final answer
x = 155,062.53
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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.