Finding the Fourth Proportional to 283,740.77, 425,673.43 and 84,076.79
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Solution
The fourth proportional to 283,740.77, 425,673.43 and 84,076.79 is: 126,133.63
Step by Step Solution
- Step 1: Write the proportion equation
283,740.77 : 425,673.43 = 84,076.79 : x - Step 2: Convert to fraction form
283,740.77/425,673.43 = 84,076.79/x - Step 3: Cross multiply
283,740.77x = 425,673.43 × 84,076.79 - Step 4: Simplify right side
283,740.77x = 35,789,253,244.13 - Step 5: Solve for x
x = 35,789,253,244.13/283,740.77 - Step 6: Final answer
x = 126,133.63
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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.