Finding the Fourth Proportional to 201,612.44, 278,177.70 and 169,469.24
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Solution
The fourth proportional to 201,612.44, 278,177.70 and 169,469.24 is: 233,827.65
Step by Step Solution
- Step 1: Write the proportion equation
201,612.44 : 278,177.70 = 169,469.24 : x - Step 2: Convert to fraction form
201,612.44/278,177.70 = 169,469.24/x - Step 3: Cross multiply
201,612.44x = 278,177.70 × 169,469.24 - Step 4: Simplify right side
201,612.44x = 47,142,563,403.95 - Step 5: Solve for x
x = 47,142,563,403.95/201,612.44 - Step 6: Final answer
x = 233,827.65
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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.