Finding the Fourth Proportional to 274,745.13, 379,152.08 and 179,196.99
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Solution
The fourth proportional to 274,745.13, 379,152.08 and 179,196.99 is: 247,294.32
Step by Step Solution
- Step 1: Write the proportion equation
274,745.13 : 379,152.08 = 179,196.99 : x - Step 2: Convert to fraction form
274,745.13/379,152.08 = 179,196.99/x - Step 3: Cross multiply
274,745.13x = 379,152.08 × 179,196.99 - Step 4: Simplify right side
274,745.13x = 67,942,910,592.25 - Step 5: Solve for x
x = 67,942,910,592.25/274,745.13 - Step 6: Final answer
x = 247,294.32
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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.