Finding the Fourth Proportional to 208,508.08, 287,741.66 and 113,014.68
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Solution
The fourth proportional to 208,508.08, 287,741.66 and 113,014.68 is: 155,960.53
Step by Step Solution
- Step 1: Write the proportion equation
208,508.08 : 287,741.66 = 113,014.68 : x - Step 2: Convert to fraction form
208,508.08/287,741.66 = 113,014.68/x - Step 3: Cross multiply
208,508.08x = 287,741.66 × 113,014.68 - Step 4: Simplify right side
208,508.08x = 32,519,031,627.57 - Step 5: Solve for x
x = 32,519,031,627.57/208,508.08 - Step 6: Final answer
x = 155,960.53
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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.