Finding the Fourth Proportional to 252,150.18, 378,258.06 and 92,201.21
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Solution
The fourth proportional to 252,150.18, 378,258.06 and 92,201.21 is: 138,313.80
Step by Step Solution
- Step 1: Write the proportion equation
252,150.18 : 378,258.06 = 92,201.21 : x - Step 2: Convert to fraction form
252,150.18/378,258.06 = 92,201.21/x - Step 3: Cross multiply
252,150.18x = 378,258.06 × 92,201.21 - Step 4: Simplify right side
252,150.18x = 34,875,848,932.96 - Step 5: Solve for x
x = 34,875,848,932.96/252,150.18 - Step 6: Final answer
x = 138,313.80
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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.