Finding the Fourth Proportional to 218,676.24, 328,014.36 and 125,116.92
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Solution
The fourth proportional to 218,676.24, 328,014.36 and 125,116.92 is: 187,675.38
Step by Step Solution
- Step 1: Write the proportion equation
218,676.24 : 328,014.36 = 125,116.92 : x - Step 2: Convert to fraction form
218,676.24/328,014.36 = 125,116.92/x - Step 3: Cross multiply
218,676.24x = 328,014.36 × 125,116.92 - Step 4: Simplify right side
218,676.24x = 41,040,146,438.97 - Step 5: Solve for x
x = 41,040,146,438.97/218,676.24 - Step 6: Final answer
x = 187,675.38
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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.