Finding the Fourth Proportional to 207,696.19, 286,634.25 and 115,825.84
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Solution
The fourth proportional to 207,696.19, 286,634.25 and 115,825.84 is: 159,847.19
Step by Step Solution
- Step 1: Write the proportion equation
207,696.19 : 286,634.25 = 115,825.84 : x - Step 2: Convert to fraction form
207,696.19/286,634.25 = 115,825.84/x - Step 3: Cross multiply
207,696.19x = 286,634.25 × 115,825.84 - Step 4: Simplify right side
207,696.19x = 33,199,652,779.02 - Step 5: Solve for x
x = 33,199,652,779.02/207,696.19 - Step 6: Final answer
x = 159,847.19
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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.