Finding the Fourth Proportional to 275,117.74, 379,627.40 and 160,367.67
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Solution
The fourth proportional to 275,117.74, 379,627.40 and 160,367.67 is: 221,286.94
Step by Step Solution
- Step 1: Write the proportion equation
275,117.74 : 379,627.40 = 160,367.67 : x - Step 2: Convert to fraction form
275,117.74/379,627.40 = 160,367.67/x - Step 3: Cross multiply
275,117.74x = 379,627.40 × 160,367.67 - Step 4: Simplify right side
275,117.74x = 60,879,962,007.08 - Step 5: Solve for x
x = 60,879,962,007.08/275,117.74 - Step 6: Final answer
x = 221,286.94
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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.