Finding the Fourth Proportional to 293,695.13, 405,324.05 and 164,631.53
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Solution
The fourth proportional to 293,695.13, 405,324.05 and 164,631.53 is: 227,205.40
Step by Step Solution
- Step 1: Write the proportion equation
293,695.13 : 405,324.05 = 164,631.53 : x - Step 2: Convert to fraction form
293,695.13/405,324.05 = 164,631.53/x - Step 3: Cross multiply
293,695.13x = 405,324.05 × 164,631.53 - Step 4: Simplify right side
293,695.13x = 66,729,118,687.45 - Step 5: Solve for x
x = 66,729,118,687.45/293,695.13 - Step 6: Final answer
x = 227,205.40
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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.