Finding the Fourth Proportional to 417,933.36, 576,754.74 and 236,640.44
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Solution
The fourth proportional to 417,933.36, 576,754.74 and 236,640.44 is: 326,567.61
Step by Step Solution
- Step 1: Write the proportion equation
417,933.36 : 576,754.74 = 236,640.44 : x - Step 2: Convert to fraction form
417,933.36/576,754.74 = 236,640.44/x - Step 3: Cross multiply
417,933.36x = 576,754.74 × 236,640.44 - Step 4: Simplify right side
417,933.36x = 136,483,496,887.57 - Step 5: Solve for x
x = 136,483,496,887.57/417,933.36 - Step 6: Final answer
x = 326,567.61
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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.