Finding the Fourth Proportional to 305,514.21, 458,266.27 and 125,563.17
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Solution
The fourth proportional to 305,514.21, 458,266.27 and 125,563.17 is: 188,342.68
Step by Step Solution
- Step 1: Write the proportion equation
305,514.21 : 458,266.27 = 125,563.17 : x - Step 2: Convert to fraction form
305,514.21/458,266.27 = 125,563.17/x - Step 3: Cross multiply
305,514.21x = 458,266.27 × 125,563.17 - Step 4: Simplify right side
305,514.21x = 57,541,365,565.28 - Step 5: Solve for x
x = 57,541,365,565.28/305,514.21 - Step 6: Final answer
x = 188,342.68
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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.