Finding the Fourth Proportional to 306,091.05, 459,135.99 and 81,451.50
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Solution
The fourth proportional to 306,091.05, 459,135.99 and 81,451.50 is: 122,177.09
Step by Step Solution
- Step 1: Write the proportion equation
306,091.05 : 459,135.99 = 81,451.50 : x - Step 2: Convert to fraction form
306,091.05/459,135.99 = 81,451.50/x - Step 3: Cross multiply
306,091.05x = 459,135.99 × 81,451.50 - Step 4: Simplify right side
306,091.05x = 37,397,315,089.49 - Step 5: Solve for x
x = 37,397,315,089.49/306,091.05 - Step 6: Final answer
x = 122,177.09
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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.