Finding the Fourth Proportional to 274,914.36, 379,366.17 and 160,211.68
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Solution
The fourth proportional to 274,914.36, 379,366.17 and 160,211.68 is: 221,083.00
Step by Step Solution
- Step 1: Write the proportion equation
274,914.36 : 379,366.17 = 160,211.68 : x - Step 2: Convert to fraction form
274,914.36/379,366.17 = 160,211.68/x - Step 3: Cross multiply
274,914.36x = 379,366.17 × 160,211.68 - Step 4: Simplify right side
274,914.36x = 60,778,891,430.87 - Step 5: Solve for x
x = 60,778,891,430.87/274,914.36 - Step 6: Final answer
x = 221,083.00
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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.