Finding the Fourth Proportional to 417,796.38, 576,555.84 and 226,805.94
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Solution
The fourth proportional to 417,796.38, 576,555.84 and 226,805.94 is: 312,990.48
Step by Step Solution
- Step 1: Write the proportion equation
417,796.38 : 576,555.84 = 226,805.94 : x - Step 2: Convert to fraction form
417,796.38/576,555.84 = 226,805.94/x - Step 3: Cross multiply
417,796.38x = 576,555.84 × 226,805.94 - Step 4: Simplify right side
417,796.38x = 130,766,289,253.69 - Step 5: Solve for x
x = 130,766,289,253.69/417,796.38 - Step 6: Final answer
x = 312,990.48
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1.5x scale
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.