Finding the Fourth Proportional to 104,859.39, 157,278.15 and 29,974.68
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Solution
The fourth proportional to 104,859.39, 157,278.15 and 29,974.68 is: 44,958.89
Step by Step Solution
- Step 1: Write the proportion equation
104,859.39 : 157,278.15 = 29,974.68 : x - Step 2: Convert to fraction form
104,859.39/157,278.15 = 29,974.68/x - Step 3: Cross multiply
104,859.39x = 157,278.15 × 29,974.68 - Step 4: Simplify right side
104,859.39x = 4,714,362,217.24 - Step 5: Solve for x
x = 4,714,362,217.24/104,859.39 - Step 6: Final answer
x = 44,958.89
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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.