Finding the Fourth Proportional to 196,109.66, 270,636.69 and 110,073.99
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Solution
The fourth proportional to 196,109.66, 270,636.69 and 110,073.99 is: 151,905.12
Step by Step Solution
- Step 1: Write the proportion equation
196,109.66 : 270,636.69 = 110,073.99 : x - Step 2: Convert to fraction form
196,109.66/270,636.69 = 110,073.99/x - Step 3: Cross multiply
196,109.66x = 270,636.69 × 110,073.99 - Step 4: Simplify right side
196,109.66x = 29,790,060,214.03 - Step 5: Solve for x
x = 29,790,060,214.03/196,109.66 - Step 6: Final answer
x = 151,905.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.