Finding the Fourth Proportional to 198,747.51, 274,246.61 and 134,356.81
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Solution
The fourth proportional to 198,747.51, 274,246.61 and 134,356.81 is: 185,395.53
Step by Step Solution
- Step 1: Write the proportion equation
198,747.51 : 274,246.61 = 134,356.81 : x - Step 2: Convert to fraction form
198,747.51/274,246.61 = 134,356.81/x - Step 3: Cross multiply
198,747.51x = 274,246.61 × 134,356.81 - Step 4: Simplify right side
198,747.51x = 36,846,899,585.48 - Step 5: Solve for x
x = 36,846,899,585.48/198,747.51 - Step 6: Final answer
x = 185,395.53
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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.