Finding the Fourth Proportional to 283,863.38, 425,795.13 and 115,475.31
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Solution
The fourth proportional to 283,863.38, 425,795.13 and 115,475.31 is: 173,212.99
Step by Step Solution
- Step 1: Write the proportion equation
283,863.38 : 425,795.13 = 115,475.31 : x - Step 2: Convert to fraction form
283,863.38/425,795.13 = 115,475.31/x - Step 3: Cross multiply
283,863.38x = 425,795.13 × 115,475.31 - Step 4: Simplify right side
283,863.38x = 49,168,824,633.24 - Step 5: Solve for x
x = 49,168,824,633.24/283,863.38 - Step 6: Final answer
x = 173,212.99
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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.