Finding the Fourth Proportional to 197,208.10, 295,812.15 and 163,965.70
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Solution
The fourth proportional to 197,208.10, 295,812.15 and 163,965.70 is: 245,948.55
Step by Step Solution
- Step 1: Write the proportion equation
197,208.10 : 295,812.15 = 163,965.70 : x - Step 2: Convert to fraction form
197,208.10/295,812.15 = 163,965.70/x - Step 3: Cross multiply
197,208.10x = 295,812.15 × 163,965.70 - Step 4: Simplify right side
197,208.10x = 48,503,046,243.26 - Step 5: Solve for x
x = 48,503,046,243.26/197,208.10 - Step 6: Final answer
x = 245,948.55
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1.5x scale
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.