Finding the Fourth Proportional to 274,967.67, 379,454.87 and 154,108.92
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Solution
The fourth proportional to 274,967.67, 379,454.87 and 154,108.92 is: 212,670.02
Step by Step Solution
- Step 1: Write the proportion equation
274,967.67 : 379,454.87 = 154,108.92 : x - Step 2: Convert to fraction form
274,967.67/379,454.87 = 154,108.92/x - Step 3: Cross multiply
274,967.67x = 379,454.87 × 154,108.92 - Step 4: Simplify right side
274,967.67x = 58,477,379,433.90 - Step 5: Solve for x
x = 58,477,379,433.90/274,967.67 - Step 6: Final answer
x = 212,670.02
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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.