Finding the Fourth Proportional to 283,754.08, 391,583.24 and 156,434.23
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Solution
The fourth proportional to 283,754.08, 391,583.24 and 156,434.23 is: 215,880.68
Step by Step Solution
- Step 1: Write the proportion equation
283,754.08 : 391,583.24 = 156,434.23 : x - Step 2: Convert to fraction form
283,754.08/391,583.24 = 156,434.23/x - Step 3: Cross multiply
283,754.08x = 391,583.24 × 156,434.23 - Step 4: Simplify right side
283,754.08x = 61,257,022,630.31 - Step 5: Solve for x
x = 61,257,022,630.31/283,754.08 - Step 6: Final answer
x = 215,880.68
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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.