Finding the Fourth Proportional to 298,531.68, 411,942.36 and 169,429.08
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Solution
The fourth proportional to 298,531.68, 411,942.36 and 169,429.08 is: 233,794.33
Step by Step Solution
- Step 1: Write the proportion equation
298,531.68 : 411,942.36 = 169,429.08 : x - Step 2: Convert to fraction form
298,531.68/411,942.36 = 169,429.08/x - Step 3: Cross multiply
298,531.68x = 411,942.36 × 169,429.08 - Step 4: Simplify right side
298,531.68x = 69,795,015,067.83 - Step 5: Solve for x
x = 69,795,015,067.83/298,531.68 - Step 6: Final answer
x = 233,794.33
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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.