Finding the Fourth Proportional to 189,951.08, 262,138.97 and 108,291.41
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Solution
The fourth proportional to 189,951.08, 262,138.97 and 108,291.41 is: 149,445.84
Step by Step Solution
- Step 1: Write the proportion equation
189,951.08 : 262,138.97 = 108,291.41 : x - Step 2: Convert to fraction form
189,951.08/262,138.97 = 108,291.41/x - Step 3: Cross multiply
189,951.08x = 262,138.97 × 108,291.41 - Step 4: Simplify right side
189,951.08x = 28,387,398,677.25 - Step 5: Solve for x
x = 28,387,398,677.25/189,951.08 - Step 6: Final answer
x = 149,445.84
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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.