Finding the Fourth Proportional to 202,751.70, 279,792.36 and 112,105.26
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Solution
The fourth proportional to 202,751.70, 279,792.36 and 112,105.26 is: 154,702.50
Step by Step Solution
- Step 1: Write the proportion equation
202,751.70 : 279,792.36 = 112,105.26 : x - Step 2: Convert to fraction form
202,751.70/279,792.36 = 112,105.26/x - Step 3: Cross multiply
202,751.70x = 279,792.36 × 112,105.26 - Step 4: Simplify right side
202,751.70x = 31,366,195,263.81 - Step 5: Solve for x
x = 31,366,195,263.81/202,751.70 - Step 6: Final answer
x = 154,702.50
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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.