Finding the Fourth Proportional to 84,256.92, 126,276.12 and 34,278.96
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Solution
The fourth proportional to 84,256.92, 126,276.12 and 34,278.96 is: 51,373.99
Step by Step Solution
- Step 1: Write the proportion equation
84,256.92 : 126,276.12 = 34,278.96 : x - Step 2: Convert to fraction form
84,256.92/126,276.12 = 34,278.96/x - Step 3: Cross multiply
84,256.92x = 126,276.12 × 34,278.96 - Step 4: Simplify right side
84,256.92x = 4,328,614,066.44 - Step 5: Solve for x
x = 4,328,614,066.44/84,256.92 - Step 6: Final answer
x = 51,373.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.