Finding the Fourth Proportional to 416,229.73, 574,397.02 and 225,243.12
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Solution
The fourth proportional to 416,229.73, 574,397.02 and 225,243.12 is: 310,835.50
Step by Step Solution
- Step 1: Write the proportion equation
416,229.73 : 574,397.02 = 225,243.12 : x - Step 2: Convert to fraction form
416,229.73/574,397.02 = 225,243.12/x - Step 3: Cross multiply
416,229.73x = 574,397.02 × 225,243.12 - Step 4: Simplify right side
416,229.73x = 129,378,976,340.40 - Step 5: Solve for x
x = 129,378,976,340.40/416,229.73 - Step 6: Final answer
x = 310,835.50
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1.5x scale
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.