Finding the Fourth Proportional to 208,542.24, 312,765.44 and 124,326.24
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Solution
The fourth proportional to 208,542.24, 312,765.44 and 124,326.24 is: 186,460.79
Step by Step Solution
- Step 1: Write the proportion equation
208,542.24 : 312,765.44 = 124,326.24 : x - Step 2: Convert to fraction form
208,542.24/312,765.44 = 124,326.24/x - Step 3: Cross multiply
208,542.24x = 312,765.44 × 124,326.24 - Step 4: Simplify right side
208,542.24x = 38,884,951,157.15 - Step 5: Solve for x
x = 38,884,951,157.15/208,542.24 - Step 6: Final answer
x = 186,460.79
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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.