Finding the Fourth Proportional to 76,181.44, 114,265.76 and 26,261.44
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Solution
The fourth proportional to 76,181.44, 114,265.76 and 26,261.44 is: 39,389.95
Step by Step Solution
- Step 1: Write the proportion equation
76,181.44 : 114,265.76 = 26,261.44 : x - Step 2: Convert to fraction form
76,181.44/114,265.76 = 26,261.44/x - Step 3: Cross multiply
76,181.44x = 114,265.76 × 26,261.44 - Step 4: Simplify right side
76,181.44x = 3,000,783,400.29 - Step 5: Solve for x
x = 3,000,783,400.29/76,181.44 - Step 6: Final answer
x = 39,389.95
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1.5x scale
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.