Finding the Fourth Proportional to 274,692.24, 379,148.58 and 257,964.12
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Solution
The fourth proportional to 274,692.24, 379,148.58 and 257,964.12 is: 356,059.31
Step by Step Solution
- Step 1: Write the proportion equation
274,692.24 : 379,148.58 = 257,964.12 : x - Step 2: Convert to fraction form
274,692.24/379,148.58 = 257,964.12/x - Step 3: Cross multiply
274,692.24x = 379,148.58 × 257,964.12 - Step 4: Simplify right side
274,692.24x = 97,806,729,788.95 - Step 5: Solve for x
x = 97,806,729,788.95/274,692.24 - Step 6: Final answer
x = 356,059.31
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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.