Finding the Fourth Proportional to 226,651.33, 312,772.48 and 124,676.70
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Solution
The fourth proportional to 226,651.33, 312,772.48 and 124,676.70 is: 172,050.35
Step by Step Solution
- Step 1: Write the proportion equation
226,651.33 : 312,772.48 = 124,676.70 : x - Step 2: Convert to fraction form
226,651.33/312,772.48 = 124,676.70/x - Step 3: Cross multiply
226,651.33x = 312,772.48 × 124,676.70 - Step 4: Simplify right side
226,651.33x = 38,995,440,657.22 - Step 5: Solve for x
x = 38,995,440,657.22/226,651.33 - Step 6: Final answer
x = 172,050.35
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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.