Finding the Fourth Proportional to 417,827.97, 576,638.28 and 236,571.84
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Solution
The fourth proportional to 417,827.97, 576,638.28 and 236,571.84 is: 326,489.34
Step by Step Solution
- Step 1: Write the proportion equation
417,827.97 : 576,638.28 = 236,571.84 : x - Step 2: Convert to fraction form
417,827.97/576,638.28 = 236,571.84/x - Step 3: Cross multiply
417,827.97x = 576,638.28 × 236,571.84 - Step 4: Simplify right side
417,827.97x = 136,416,378,914.04 - Step 5: Solve for x
x = 136,416,378,914.04/417,827.97 - Step 6: Final answer
x = 326,489.34
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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.