Finding the Fourth Proportional to 283,685.67, 425,694.33 and 157,431.96
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Solution
The fourth proportional to 283,685.67, 425,694.33 and 157,431.96 is: 236,239.96
Step by Step Solution
- Step 1: Write the proportion equation
283,685.67 : 425,694.33 = 157,431.96 : x - Step 2: Convert to fraction form
283,685.67/425,694.33 = 157,431.96/x - Step 3: Cross multiply
283,685.67x = 425,694.33 × 157,431.96 - Step 4: Simplify right side
283,685.67x = 67,017,892,732.79 - Step 5: Solve for x
x = 67,017,892,732.79/283,685.67 - Step 6: Final answer
x = 236,239.96
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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.