Finding the Fourth Proportional to 203,935.80, 305,903.70 and 173,755.20
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Solution
The fourth proportional to 203,935.80, 305,903.70 and 173,755.20 is: 260,632.80
Step by Step Solution
- Step 1: Write the proportion equation
203,935.80 : 305,903.70 = 173,755.20 : x - Step 2: Convert to fraction form
203,935.80/305,903.70 = 173,755.20/x - Step 3: Cross multiply
203,935.80x = 305,903.70 × 173,755.20 - Step 4: Simplify right side
203,935.80x = 53,152,358,574.24 - Step 5: Solve for x
x = 53,152,358,574.24/203,935.80 - Step 6: Final answer
x = 260,632.80
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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.