Finding the Fourth Proportional to 150,389.35, 207,539.36 and 82,404.97
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Solution
The fourth proportional to 150,389.35, 207,539.36 and 82,404.97 is: 113,719.99
Step by Step Solution
- Step 1: Write the proportion equation
150,389.35 : 207,539.36 = 82,404.97 : x - Step 2: Convert to fraction form
150,389.35/207,539.36 = 82,404.97/x - Step 3: Cross multiply
150,389.35x = 207,539.36 × 82,404.97 - Step 4: Simplify right side
150,389.35x = 17,102,274,734.62 - Step 5: Solve for x
x = 17,102,274,734.62/150,389.35 - Step 6: Final answer
x = 113,719.99
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1.5x scale
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.