Finding the Fourth Proportional to 268,022.70, 369,890.74 and 177,221.19
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Solution
The fourth proportional to 268,022.70, 369,890.74 and 177,221.19 is: 244,578.09
Step by Step Solution
- Step 1: Write the proportion equation
268,022.70 : 369,890.74 = 177,221.19 : x - Step 2: Convert to fraction form
268,022.70/369,890.74 = 177,221.19/x - Step 3: Cross multiply
268,022.70x = 369,890.74 × 177,221.19 - Step 4: Simplify right side
268,022.70x = 65,552,478,721.40 - Step 5: Solve for x
x = 65,552,478,721.40/268,022.70 - Step 6: Final answer
x = 244,578.09
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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.