Finding the Fourth Proportional to 151,741.19, 209,371.58 and 87,197.96
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Solution
The fourth proportional to 151,741.19, 209,371.58 and 87,197.96 is: 120,315.21
Step by Step Solution
- Step 1: Write the proportion equation
151,741.19 : 209,371.58 = 87,197.96 : x - Step 2: Convert to fraction form
151,741.19/209,371.58 = 87,197.96/x - Step 3: Cross multiply
151,741.19x = 209,371.58 × 87,197.96 - Step 4: Simplify right side
151,741.19x = 18,256,773,175.13 - Step 5: Solve for x
x = 18,256,773,175.13/151,741.19 - Step 6: Final answer
x = 120,315.21
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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.