Finding the Fourth Proportional to 160,478.10, 240,717.15 and 110,711.70
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Solution
The fourth proportional to 160,478.10, 240,717.15 and 110,711.70 is: 166,067.55
Step by Step Solution
- Step 1: Write the proportion equation
160,478.10 : 240,717.15 = 110,711.70 : x - Step 2: Convert to fraction form
160,478.10/240,717.15 = 110,711.70/x - Step 3: Cross multiply
160,478.10x = 240,717.15 × 110,711.70 - Step 4: Simplify right side
160,478.10x = 26,650,204,895.66 - Step 5: Solve for x
x = 26,650,204,895.66/160,478.10 - Step 6: Final answer
x = 166,067.55
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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.