Finding the Fourth Proportional to 352,395.21, 486,054.19 and 323,416.92
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Solution
The fourth proportional to 352,395.21, 486,054.19 and 323,416.92 is: 446,084.81
Step by Step Solution
- Step 1: Write the proportion equation
352,395.21 : 486,054.19 = 323,416.92 : x - Step 2: Convert to fraction form
352,395.21/486,054.19 = 323,416.92/x - Step 3: Cross multiply
352,395.21x = 486,054.19 × 323,416.92 - Step 4: Simplify right side
352,395.21x = 157,198,149,082.90 - Step 5: Solve for x
x = 157,198,149,082.90/352,395.21 - Step 6: Final answer
x = 446,084.81
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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.