Finding the Fourth Proportional to 213,955.13, 295,262.60 and 117,163.08
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Solution
The fourth proportional to 213,955.13, 295,262.60 and 117,163.08 is: 161,687.53
Step by Step Solution
- Step 1: Write the proportion equation
213,955.13 : 295,262.60 = 117,163.08 : x - Step 2: Convert to fraction form
213,955.13/295,262.60 = 117,163.08/x - Step 3: Cross multiply
213,955.13x = 295,262.60 × 117,163.08 - Step 4: Simplify right side
213,955.13x = 34,593,875,038.99 - Step 5: Solve for x
x = 34,593,875,038.99/213,955.13 - Step 6: Final answer
x = 161,687.53
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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.