Finding the Fourth Proportional to 197,678.56, 272,795.26 and 107,032.65
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Solution
The fourth proportional to 197,678.56, 272,795.26 and 107,032.65 is: 147,704.43
Step by Step Solution
- Step 1: Write the proportion equation
197,678.56 : 272,795.26 = 107,032.65 : x - Step 2: Convert to fraction form
197,678.56/272,795.26 = 107,032.65/x - Step 3: Cross multiply
197,678.56x = 272,795.26 × 107,032.65 - Step 4: Simplify right side
197,678.56x = 29,197,999,585.24 - Step 5: Solve for x
x = 29,197,999,585.24/197,678.56 - Step 6: Final answer
x = 147,704.43
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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.