Finding the Fourth Proportional to 417,679.26, 576,397.95 and 226,692.66
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Solution
The fourth proportional to 417,679.26, 576,397.95 and 226,692.66 is: 312,836.18
Step by Step Solution
- Step 1: Write the proportion equation
417,679.26 : 576,397.95 = 226,692.66 : x - Step 2: Convert to fraction form
417,679.26/576,397.95 = 226,692.66/x - Step 3: Cross multiply
417,679.26x = 576,397.95 × 226,692.66 - Step 4: Simplify right side
417,679.26x = 130,665,184,504.05 - Step 5: Solve for x
x = 130,665,184,504.05/417,679.26 - Step 6: Final answer
x = 312,836.18
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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.