Finding the Fourth Proportional to 215,453.31, 297,047.67 and 176,546.49
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Solution
The fourth proportional to 215,453.31, 297,047.67 and 176,546.49 is: 243,406.44
Step by Step Solution
- Step 1: Write the proportion equation
215,453.31 : 297,047.67 = 176,546.49 : x - Step 2: Convert to fraction form
215,453.31/297,047.67 = 176,546.49/x - Step 3: Cross multiply
215,453.31x = 297,047.67 × 176,546.49 - Step 4: Simplify right side
215,453.31x = 52,442,723,501.18 - Step 5: Solve for x
x = 52,442,723,501.18/215,453.31 - Step 6: Final answer
x = 243,406.44
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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.