Finding the Fourth Proportional to 197,481.66, 272,523.45 and 106,837.26
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Solution
The fourth proportional to 197,481.66, 272,523.45 and 106,837.26 is: 147,434.75
Step by Step Solution
- Step 1: Write the proportion equation
197,481.66 : 272,523.45 = 106,837.26 : x - Step 2: Convert to fraction form
197,481.66/272,523.45 = 106,837.26/x - Step 3: Cross multiply
197,481.66x = 272,523.45 × 106,837.26 - Step 4: Simplify right side
197,481.66x = 29,115,658,683.75 - Step 5: Solve for x
x = 29,115,658,683.75/197,481.66 - Step 6: Final answer
x = 147,434.75
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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.