Finding the Fourth Proportional to 115,961.74, 174,008.22 and 49,394.92
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Solution
The fourth proportional to 115,961.74, 174,008.22 and 49,394.92 is: 74,120.33
Step by Step Solution
- Step 1: Write the proportion equation
115,961.74 : 174,008.22 = 49,394.92 : x - Step 2: Convert to fraction form
115,961.74/174,008.22 = 49,394.92/x - Step 3: Cross multiply
115,961.74x = 174,008.22 × 49,394.92 - Step 4: Simplify right side
115,961.74x = 8,595,122,106.24 - Step 5: Solve for x
x = 8,595,122,106.24/115,961.74 - Step 6: Final answer
x = 74,120.33
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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.