Finding the Fourth Proportional to 250,451.11, 345,636.67 and 148,536.91
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Solution
The fourth proportional to 250,451.11, 345,636.67 and 148,536.91 is: 204,989.32
Step by Step Solution
- Step 1: Write the proportion equation
250,451.11 : 345,636.67 = 148,536.91 : x - Step 2: Convert to fraction form
250,451.11/345,636.67 = 148,536.91/x - Step 3: Cross multiply
250,451.11x = 345,636.67 × 148,536.91 - Step 4: Simplify right side
250,451.11x = 51,339,801,216.31 - Step 5: Solve for x
x = 51,339,801,216.31/250,451.11 - Step 6: Final answer
x = 204,989.32
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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.