Finding the Fourth Proportional to 207,044.51, 285,718.68 and 115,163.17
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Solution
The fourth proportional to 207,044.51, 285,718.68 and 115,163.17 is: 158,923.65
Step by Step Solution
- Step 1: Write the proportion equation
207,044.51 : 285,718.68 = 115,163.17 : x - Step 2: Convert to fraction form
207,044.51/285,718.68 = 115,163.17/x - Step 3: Cross multiply
207,044.51x = 285,718.68 × 115,163.17 - Step 4: Simplify right side
207,044.51x = 32,904,268,202.72 - Step 5: Solve for x
x = 32,904,268,202.72/207,044.51 - Step 6: Final answer
x = 158,923.65
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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.