Finding the Fourth Proportional to 190,762.68, 286,170.84 and 57,627.84
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Solution
The fourth proportional to 190,762.68, 286,170.84 and 57,627.84 is: 86,449.86
Step by Step Solution
- Step 1: Write the proportion equation
190,762.68 : 286,170.84 = 57,627.84 : x - Step 2: Convert to fraction form
190,762.68/286,170.84 = 57,627.84/x - Step 3: Cross multiply
190,762.68x = 286,170.84 × 57,627.84 - Step 4: Simplify right side
190,762.68x = 16,491,407,380.19 - Step 5: Solve for x
x = 16,491,407,380.19/190,762.68 - Step 6: Final answer
x = 86,449.86
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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.