Finding the Fourth Proportional to 198,370.35, 273,752.24 and 113,490.99
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Solution
The fourth proportional to 198,370.35, 273,752.24 and 113,490.99 is: 156,618.23
Step by Step Solution
- Step 1: Write the proportion equation
198,370.35 : 273,752.24 = 113,490.99 : x - Step 2: Convert to fraction form
198,370.35/273,752.24 = 113,490.99/x - Step 3: Cross multiply
198,370.35x = 273,752.24 × 113,490.99 - Step 4: Simplify right side
198,370.35x = 31,068,412,164.86 - Step 5: Solve for x
x = 31,068,412,164.86/198,370.35 - Step 6: Final answer
x = 156,618.23
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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.