Finding the Fourth Proportional to 417,692.90, 576,416.74 and 226,706.30
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Solution
The fourth proportional to 417,692.90, 576,416.74 and 226,706.30 is: 312,854.99
Step by Step Solution
- Step 1: Write the proportion equation
417,692.90 : 576,416.74 = 226,706.30 : x - Step 2: Convert to fraction form
417,692.90/576,416.74 = 226,706.30/x - Step 3: Cross multiply
417,692.90x = 576,416.74 × 226,706.30 - Step 4: Simplify right side
417,692.90x = 130,677,306,383.46 - Step 5: Solve for x
x = 130,677,306,383.46/417,692.90 - Step 6: Final answer
x = 312,854.99
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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.