Finding the Fourth Proportional to 202,756.26, 279,792.35 and 112,106.78
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Solution
The fourth proportional to 202,756.26, 279,792.35 and 112,106.78 is: 154,701.12
Step by Step Solution
- Step 1: Write the proportion equation
202,756.26 : 279,792.35 = 112,106.78 : x - Step 2: Convert to fraction form
202,756.26/279,792.35 = 112,106.78/x - Step 3: Cross multiply
202,756.26x = 279,792.35 × 112,106.78 - Step 4: Simplify right side
202,756.26x = 31,366,619,566.08 - Step 5: Solve for x
x = 31,366,619,566.08/202,756.26 - Step 6: Final answer
x = 154,701.12
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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.