Finding the Fourth Proportional to 273,531.10, 409,968.60 and 140,342.80
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Solution
The fourth proportional to 273,531.10, 409,968.60 and 140,342.80 is: 210,345.88
Step by Step Solution
- Step 1: Write the proportion equation
273,531.10 : 409,968.60 = 140,342.80 : x - Step 2: Convert to fraction form
273,531.10/409,968.60 = 140,342.80/x - Step 3: Cross multiply
273,531.10x = 409,968.60 × 140,342.80 - Step 4: Simplify right side
273,531.10x = 57,536,141,236.08 - Step 5: Solve for x
x = 57,536,141,236.08/273,531.10 - Step 6: Final answer
x = 210,345.88
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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.