Finding the Fourth Proportional to 283,609.94, 391,376.68 and 154,549.54
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Solution
The fourth proportional to 283,609.94, 391,376.68 and 154,549.54 is: 213,275.62
Step by Step Solution
- Step 1: Write the proportion equation
283,609.94 : 391,376.68 = 154,549.54 : x - Step 2: Convert to fraction form
283,609.94/391,376.68 = 154,549.54/x - Step 3: Cross multiply
283,609.94x = 391,376.68 × 154,549.54 - Step 4: Simplify right side
283,609.94x = 60,487,085,860.73 - Step 5: Solve for x
x = 60,487,085,860.73/283,609.94 - Step 6: Final answer
x = 213,275.62
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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.