Finding the Fourth Proportional to 197,677.74, 272,795.78 and 107,034.79
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Solution
The fourth proportional to 197,677.74, 272,795.78 and 107,034.79 is: 147,708.28
Step by Step Solution
- Step 1: Write the proportion equation
197,677.74 : 272,795.78 = 107,034.79 : x - Step 2: Convert to fraction form
197,677.74/272,795.78 = 107,034.79/x - Step 3: Cross multiply
197,677.74x = 272,795.78 × 107,034.79 - Step 4: Simplify right side
197,677.74x = 29,198,639,025.19 - Step 5: Solve for x
x = 29,198,639,025.19/197,677.74 - Step 6: Final answer
x = 147,708.28
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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.