Finding the Fourth Proportional to 299,135.73, 412,815.08 and 163,171.97
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Solution
The fourth proportional to 299,135.73, 412,815.08 and 163,171.97 is: 225,181.56
Step by Step Solution
- Step 1: Write the proportion equation
299,135.73 : 412,815.08 = 163,171.97 : x - Step 2: Convert to fraction form
299,135.73/412,815.08 = 163,171.97/x - Step 3: Cross multiply
299,135.73x = 412,815.08 × 163,171.97 - Step 4: Simplify right side
299,135.73x = 67,359,849,741.22 - Step 5: Solve for x
x = 67,359,849,741.22/299,135.73 - Step 6: Final answer
x = 225,181.56
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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.