Finding the Fourth Proportional to 416,194.48, 574,347.48 and 225,207.80
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Solution
The fourth proportional to 416,194.48, 574,347.48 and 225,207.80 is: 310,786.28
Step by Step Solution
- Step 1: Write the proportion equation
416,194.48 : 574,347.48 = 225,207.80 : x - Step 2: Convert to fraction form
416,194.48/574,347.48 = 225,207.80/x - Step 3: Cross multiply
416,194.48x = 574,347.48 × 225,207.80 - Step 4: Simplify right side
416,194.48x = 129,347,532,406.34 - Step 5: Solve for x
x = 129,347,532,406.34/416,194.48 - Step 6: Final answer
x = 310,786.28
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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.