Finding the Fourth Proportional to 283,895.14, 391,676.36 and 181,976.79
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Solution
The fourth proportional to 283,895.14, 391,676.36 and 181,976.79 is: 251,064.56
Step by Step Solution
- Step 1: Write the proportion equation
283,895.14 : 391,676.36 = 181,976.79 : x - Step 2: Convert to fraction form
283,895.14/391,676.36 = 181,976.79/x - Step 3: Cross multiply
283,895.14x = 391,676.36 × 181,976.79 - Step 4: Simplify right side
283,895.14x = 71,276,007,953.00 - Step 5: Solve for x
x = 71,276,007,953.00/283,895.14 - Step 6: Final answer
x = 251,064.56
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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.