Finding the Fourth Proportional to 190,758.24, 286,189.20 and 66,108.96
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Solution
The fourth proportional to 190,758.24, 286,189.20 and 66,108.96 is: 99,181.41
Step by Step Solution
- Step 1: Write the proportion equation
190,758.24 : 286,189.20 = 66,108.96 : x - Step 2: Convert to fraction form
190,758.24/286,189.20 = 66,108.96/x - Step 3: Cross multiply
190,758.24x = 286,189.20 × 66,108.96 - Step 4: Simplify right side
190,758.24x = 18,919,670,375.23 - Step 5: Solve for x
x = 18,919,670,375.23/190,758.24 - Step 6: Final answer
x = 99,181.41
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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.