Finding the Fourth Proportional to 307,120.16, 460,745.84 and 107,447.06
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Solution
The fourth proportional to 307,120.16, 460,745.84 and 107,447.06 is: 161,193.53
Step by Step Solution
- Step 1: Write the proportion equation
307,120.16 : 460,745.84 = 107,447.06 : x - Step 2: Convert to fraction form
307,120.16/460,745.84 = 107,447.06/x - Step 3: Cross multiply
307,120.16x = 460,745.84 × 107,447.06 - Step 4: Simplify right side
307,120.16x = 49,505,783,074.27 - Step 5: Solve for x
x = 49,505,783,074.27/307,120.16 - Step 6: Final answer
x = 161,193.53
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1.5x scale
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.