Finding the Fourth Proportional to 283,957.36, 425,933.88 and 84,278.32
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Solution
The fourth proportional to 283,957.36, 425,933.88 and 84,278.32 is: 126,416.84
Step by Step Solution
- Step 1: Write the proportion equation
283,957.36 : 425,933.88 = 84,278.32 : x - Step 2: Convert to fraction form
283,957.36/425,933.88 = 84,278.32/x - Step 3: Cross multiply
283,957.36x = 425,933.88 × 84,278.32 - Step 4: Simplify right side
283,957.36x = 35,896,991,837.48 - Step 5: Solve for x
x = 35,896,991,837.48/283,957.36 - Step 6: Final answer
x = 126,416.84
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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.