Finding the Fourth Proportional to 417,623.25, 576,320.49 and 226,636.68
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Solution
The fourth proportional to 417,623.25, 576,320.49 and 226,636.68 is: 312,758.84
Step by Step Solution
- Step 1: Write the proportion equation
417,623.25 : 576,320.49 = 226,636.68 : x - Step 2: Convert to fraction form
417,623.25/576,320.49 = 226,636.68/x - Step 3: Cross multiply
417,623.25x = 576,320.49 × 226,636.68 - Step 4: Simplify right side
417,623.25x = 130,615,362,469.57 - Step 5: Solve for x
x = 130,615,362,469.57/417,623.25 - Step 6: Final answer
x = 312,758.84
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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.