Finding the Fourth Proportional to 149,899.24, 206,851.62 and 82,832.68
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Solution
The fourth proportional to 149,899.24, 206,851.62 and 82,832.68 is: 114,303.94
Step by Step Solution
- Step 1: Write the proportion equation
149,899.24 : 206,851.62 = 82,832.68 : x - Step 2: Convert to fraction form
149,899.24/206,851.62 = 82,832.68/x - Step 3: Cross multiply
149,899.24x = 206,851.62 × 82,832.68 - Step 4: Simplify right side
149,899.24x = 17,134,074,046.94 - Step 5: Solve for x
x = 17,134,074,046.94/149,899.24 - Step 6: Final answer
x = 114,303.94
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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.