Finding the Fourth Proportional to 213,903.68, 295,187.16 and 117,113.80
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Solution
The fourth proportional to 213,903.68, 295,187.16 and 117,113.80 is: 161,617.09
Step by Step Solution
- Step 1: Write the proportion equation
213,903.68 : 295,187.16 = 117,113.80 : x - Step 2: Convert to fraction form
213,903.68/295,187.16 = 117,113.80/x - Step 3: Cross multiply
213,903.68x = 295,187.16 × 117,113.80 - Step 4: Simplify right side
213,903.68x = 34,570,489,948.62 - Step 5: Solve for x
x = 34,570,489,948.62/213,903.68 - Step 6: Final answer
x = 161,617.09
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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.