Finding the Fourth Proportional to 172,838.26, 259,256.76 and 67,583.08
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Solution
The fourth proportional to 172,838.26, 259,256.76 and 67,583.08 is: 101,374.37
Step by Step Solution
- Step 1: Write the proportion equation
172,838.26 : 259,256.76 = 67,583.08 : x - Step 2: Convert to fraction form
172,838.26/259,256.76 = 67,583.08/x - Step 3: Cross multiply
172,838.26x = 259,256.76 × 67,583.08 - Step 4: Simplify right side
172,838.26x = 17,521,370,351.62 - Step 5: Solve for x
x = 17,521,370,351.62/172,838.26 - Step 6: Final answer
x = 101,374.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.