Finding the Fourth Proportional to 205,095.80, 307,125.30 and 163,623.80
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Solution
The fourth proportional to 205,095.80, 307,125.30 and 163,623.80 is: 245,022.12
Step by Step Solution
- Step 1: Write the proportion equation
205,095.80 : 307,125.30 = 163,623.80 : x - Step 2: Convert to fraction form
205,095.80/307,125.30 = 163,623.80/x - Step 3: Cross multiply
205,095.80x = 307,125.30 × 163,623.80 - Step 4: Simplify right side
205,095.80x = 50,253,008,662.14 - Step 5: Solve for x
x = 50,253,008,662.14/205,095.80 - Step 6: Final answer
x = 245,022.12
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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.