Finding the Fourth Proportional to 402,859.84, 604,311.84 and 132,976.96
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Solution
The fourth proportional to 402,859.84, 604,311.84 and 132,976.96 is: 199,472.73
Step by Step Solution
- Step 1: Write the proportion equation
402,859.84 : 604,311.84 = 132,976.96 : x - Step 2: Convert to fraction form
402,859.84/604,311.84 = 132,976.96/x - Step 3: Cross multiply
402,859.84x = 604,311.84 × 132,976.96 - Step 4: Simplify right side
402,859.84x = 80,359,551,375.21 - Step 5: Solve for x
x = 80,359,551,375.21/402,859.84 - Step 6: Final answer
x = 199,472.73
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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.