Finding the Fourth Proportional to 204,525.14, 306,804.11 and 71,402.45
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Solution
The fourth proportional to 204,525.14, 306,804.11 and 71,402.45 is: 107,109.39
Step by Step Solution
- Step 1: Write the proportion equation
204,525.14 : 306,804.11 = 71,402.45 : x - Step 2: Convert to fraction form
204,525.14/306,804.11 = 71,402.45/x - Step 3: Cross multiply
204,525.14x = 306,804.11 × 71,402.45 - Step 4: Simplify right side
204,525.14x = 21,906,563,233.04 - Step 5: Solve for x
x = 21,906,563,233.04/204,525.14 - Step 6: Final answer
x = 107,109.39
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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.