Finding the Fourth Proportional to 150,193.16, 207,265.97 and 81,282.47
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Solution
The fourth proportional to 150,193.16, 207,265.97 and 81,282.47 is: 112,169.49
Step by Step Solution
- Step 1: Write the proportion equation
150,193.16 : 207,265.97 = 81,282.47 : x - Step 2: Convert to fraction form
150,193.16/207,265.97 = 81,282.47/x - Step 3: Cross multiply
150,193.16x = 207,265.97 × 81,282.47 - Step 4: Simplify right side
150,193.16x = 16,847,089,582.13 - Step 5: Solve for x
x = 16,847,089,582.13/150,193.16 - Step 6: Final answer
x = 112,169.49
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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.