Finding the Fourth Proportional to 163,201.80, 244,802.70 and 161,646.60
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Solution
The fourth proportional to 163,201.80, 244,802.70 and 161,646.60 is: 242,469.90
Step by Step Solution
- Step 1: Write the proportion equation
163,201.80 : 244,802.70 = 161,646.60 : x - Step 2: Convert to fraction form
163,201.80/244,802.70 = 161,646.60/x - Step 3: Cross multiply
163,201.80x = 244,802.70 × 161,646.60 - Step 4: Simplify right side
163,201.80x = 39,571,524,125.82 - Step 5: Solve for x
x = 39,571,524,125.82/163,201.80 - Step 6: Final answer
x = 242,469.90
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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.