Finding the Fourth Proportional to 213,953.03, 295,259.79 and 117,160.97
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Solution
The fourth proportional to 213,953.03, 295,259.79 and 117,160.97 is: 161,684.66
Step by Step Solution
- Step 1: Write the proportion equation
213,953.03 : 295,259.79 = 117,160.97 : x - Step 2: Convert to fraction form
213,953.03/295,259.79 = 117,160.97/x - Step 3: Cross multiply
213,953.03x = 295,259.79 × 117,160.97 - Step 4: Simplify right side
213,953.03x = 34,592,922,812.59 - Step 5: Solve for x
x = 34,592,922,812.59/213,953.03 - Step 6: Final answer
x = 161,684.66
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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.