Finding the Fourth Proportional to 483,906.10, 725,859.15 and 168,139.75
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Solution
The fourth proportional to 483,906.10, 725,859.15 and 168,139.75 is: 252,209.63
Step by Step Solution
- Step 1: Write the proportion equation
483,906.10 : 725,859.15 = 168,139.75 : x - Step 2: Convert to fraction form
483,906.10/725,859.15 = 168,139.75/x - Step 3: Cross multiply
483,906.10x = 725,859.15 × 168,139.75 - Step 4: Simplify right side
483,906.10x = 122,045,776,016.21 - Step 5: Solve for x
x = 122,045,776,016.21/483,906.10 - Step 6: Final answer
x = 252,209.63
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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.