Finding the Fourth Proportional to 283,570.49, 391,324.84 and 156,245.18
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Solution
The fourth proportional to 283,570.49, 391,324.84 and 156,245.18 is: 215,617.00
Step by Step Solution
- Step 1: Write the proportion equation
283,570.49 : 391,324.84 = 156,245.18 : x - Step 2: Convert to fraction form
283,570.49/391,324.84 = 156,245.18/x - Step 3: Cross multiply
283,570.49x = 391,324.84 × 156,245.18 - Step 4: Simplify right side
283,570.49x = 61,142,617,717.03 - Step 5: Solve for x
x = 61,142,617,717.03/283,570.49 - Step 6: Final answer
x = 215,617.00
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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.