Finding the Fourth Proportional to 150,521.26, 207,717.46 and 86,857.70
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Solution
The fourth proportional to 150,521.26, 207,717.46 and 86,857.70 is: 119,862.54
Step by Step Solution
- Step 1: Write the proportion equation
150,521.26 : 207,717.46 = 86,857.70 : x - Step 2: Convert to fraction form
150,521.26/207,717.46 = 86,857.70/x - Step 3: Cross multiply
150,521.26x = 207,717.46 × 86,857.70 - Step 4: Simplify right side
150,521.26x = 18,041,860,825.44 - Step 5: Solve for x
x = 18,041,860,825.44/150,521.26 - Step 6: Final answer
x = 119,862.54
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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.