Finding the Fourth Proportional to 76,258.44, 114,411.42 and 34,174.49
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Solution
The fourth proportional to 76,258.44, 114,411.42 and 34,174.49 is: 51,272.38
Step by Step Solution
- Step 1: Write the proportion equation
76,258.44 : 114,411.42 = 34,174.49 : x - Step 2: Convert to fraction form
76,258.44/114,411.42 = 34,174.49/x - Step 3: Cross multiply
76,258.44x = 114,411.42 × 34,174.49 - Step 4: Simplify right side
76,258.44x = 3,909,951,356.62 - Step 5: Solve for x
x = 3,909,951,356.62/76,258.44 - Step 6: Final answer
x = 51,272.38
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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.