Finding the Fourth Proportional to 235,322.88, 352,785.68 and 102,102.72
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Solution
The fourth proportional to 235,322.88, 352,785.68 and 102,102.72 is: 153,067.89
Step by Step Solution
- Step 1: Write the proportion equation
235,322.88 : 352,785.68 = 102,102.72 : x - Step 2: Convert to fraction form
235,322.88/352,785.68 = 102,102.72/x - Step 3: Cross multiply
235,322.88x = 352,785.68 × 102,102.72 - Step 4: Simplify right side
235,322.88x = 36,020,377,505.05 - Step 5: Solve for x
x = 36,020,377,505.05/235,322.88 - Step 6: Final answer
x = 153,067.89
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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.