Finding the Fourth Proportional to 416,701.92, 575,048.11 and 225,716.07
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Solution
The fourth proportional to 416,701.92, 575,048.11 and 225,716.07 is: 311,487.88
Step by Step Solution
- Step 1: Write the proportion equation
416,701.92 : 575,048.11 = 225,716.07 : x - Step 2: Convert to fraction form
416,701.92/575,048.11 = 225,716.07/x - Step 3: Cross multiply
416,701.92x = 575,048.11 × 225,716.07 - Step 4: Simplify right side
416,701.92x = 129,797,598,885.84 - Step 5: Solve for x
x = 129,797,598,885.84/416,701.92 - Step 6: Final answer
x = 311,487.88
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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.