Finding the Fourth Proportional to 207,858.29, 286,844.87 and 112,364.98
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Solution
The fourth proportional to 207,858.29, 286,844.87 and 112,364.98 is: 155,063.90
Step by Step Solution
- Step 1: Write the proportion equation
207,858.29 : 286,844.87 = 112,364.98 : x - Step 2: Convert to fraction form
207,858.29/286,844.87 = 112,364.98/x - Step 3: Cross multiply
207,858.29x = 286,844.87 × 112,364.98 - Step 4: Simplify right side
207,858.29x = 32,231,318,080.65 - Step 5: Solve for x
x = 32,231,318,080.65/207,858.29 - Step 6: Final answer
x = 155,063.90
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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.