Finding the Fourth Proportional to 379,771.28, 569,158.68 and 279,461.84
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Solution
The fourth proportional to 379,771.28, 569,158.68 and 279,461.84 is: 418,826.12
Step by Step Solution
- Step 1: Write the proportion equation
379,771.28 : 569,158.68 = 279,461.84 : x - Step 2: Convert to fraction form
379,771.28/569,158.68 = 279,461.84/x - Step 3: Cross multiply
379,771.28x = 569,158.68 × 279,461.84 - Step 4: Simplify right side
379,771.28x = 159,058,131,964.77 - Step 5: Solve for x
x = 159,058,131,964.77/379,771.28 - Step 6: Final answer
x = 418,826.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.