Finding the Fourth Proportional to 202,792.62, 279,760.71 and 131,195.70
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Solution
The fourth proportional to 202,792.62, 279,760.71 and 131,195.70 is: 180,989.83
Step by Step Solution
- Step 1: Write the proportion equation
202,792.62 : 279,760.71 = 131,195.70 : x - Step 2: Convert to fraction form
202,792.62/279,760.71 = 131,195.70/x - Step 3: Cross multiply
202,792.62x = 279,760.71 × 131,195.70 - Step 4: Simplify right side
202,792.62x = 36,703,402,180.95 - Step 5: Solve for x
x = 36,703,402,180.95/202,792.62 - Step 6: Final answer
x = 180,989.83
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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.