Finding the Fourth Proportional to 298,230.64, 447,542.79 and 158,087.68
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Solution
The fourth proportional to 298,230.64, 447,542.79 and 158,087.68 is: 237,235.86
Step by Step Solution
- Step 1: Write the proportion equation
298,230.64 : 447,542.79 = 158,087.68 : x - Step 2: Convert to fraction form
298,230.64/447,542.79 = 158,087.68/x - Step 3: Cross multiply
298,230.64x = 447,542.79 × 158,087.68 - Step 4: Simplify right side
298,230.64x = 70,751,001,371.83 - Step 5: Solve for x
x = 70,751,001,371.83/298,230.64 - Step 6: Final answer
x = 237,235.86
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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.