Finding the Fourth Proportional to 198,747.74, 274,246.96 and 134,357.08
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Solution
The fourth proportional to 198,747.74, 274,246.96 and 134,357.08 is: 185,395.92
Step by Step Solution
- Step 1: Write the proportion equation
198,747.74 : 274,246.96 = 134,357.08 : x - Step 2: Convert to fraction form
198,747.74/274,246.96 = 134,357.08/x - Step 3: Cross multiply
198,747.74x = 274,246.96 × 134,357.08 - Step 4: Simplify right side
198,747.74x = 36,847,020,072.69 - Step 5: Solve for x
x = 36,847,020,072.69/198,747.74 - Step 6: Final answer
x = 185,395.92
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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.