Finding the Fourth Proportional to 268,175.63, 402,257.21 and 135,020.13
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Solution
The fourth proportional to 268,175.63, 402,257.21 and 135,020.13 is: 202,527.06
Step by Step Solution
- Step 1: Write the proportion equation
268,175.63 : 402,257.21 = 135,020.13 : x - Step 2: Convert to fraction form
268,175.63/402,257.21 = 135,020.13/x - Step 3: Cross multiply
268,175.63x = 402,257.21 × 135,020.13 - Step 4: Simplify right side
268,175.63x = 54,312,820,112.54 - Step 5: Solve for x
x = 54,312,820,112.54/268,175.63 - Step 6: Final answer
x = 202,527.06
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.