Finding the Fourth Proportional to 492,102.86, 679,098.84 and 277,311.92
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Solution
The fourth proportional to 492,102.86, 679,098.84 and 277,311.92 is: 382,688.70
Step by Step Solution
- Step 1: Write the proportion equation
492,102.86 : 679,098.84 = 277,311.92 : x - Step 2: Convert to fraction form
492,102.86/679,098.84 = 277,311.92/x - Step 3: Cross multiply
492,102.86x = 679,098.84 × 277,311.92 - Step 4: Simplify right side
492,102.86x = 188,322,203,190.17 - Step 5: Solve for x
x = 188,322,203,190.17/492,102.86 - Step 6: Final answer
x = 382,688.70
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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.