Finding the Fourth Proportional to 307,705.26, 461,764.05 and 108,026.23
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Solution
The fourth proportional to 307,705.26, 461,764.05 and 108,026.23 is: 162,111.72
Step by Step Solution
- Step 1: Write the proportion equation
307,705.26 : 461,764.05 = 108,026.23 : x - Step 2: Convert to fraction form
307,705.26/461,764.05 = 108,026.23/x - Step 3: Cross multiply
307,705.26x = 461,764.05 × 108,026.23 - Step 4: Simplify right side
307,705.26x = 49,882,629,471.03 - Step 5: Solve for x
x = 49,882,629,471.03/307,705.26 - Step 6: Final answer
x = 162,111.72
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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.