Finding the Fourth Proportional to 548,789.18, 823,261.22 and 169,743.09
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Solution
The fourth proportional to 548,789.18, 823,261.22 and 169,743.09 is: 254,638.60
Step by Step Solution
- Step 1: Write the proportion equation
548,789.18 : 823,261.22 = 169,743.09 : x - Step 2: Convert to fraction form
548,789.18/823,261.22 = 169,743.09/x - Step 3: Cross multiply
548,789.18x = 823,261.22 × 169,743.09 - Step 4: Simplify right side
548,789.18x = 139,742,906,235.02 - Step 5: Solve for x
x = 139,742,906,235.02/548,789.18 - Step 6: Final answer
x = 254,638.60
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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.