Finding the Fourth Proportional to 445,756.88, 614,994.84 and 254,634.92
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Solution
The fourth proportional to 445,756.88, 614,994.84 and 254,634.92 is: 351,310.70
Step by Step Solution
- Step 1: Write the proportion equation
445,756.88 : 614,994.84 = 254,634.92 : x - Step 2: Convert to fraction form
445,756.88/614,994.84 = 254,634.92/x - Step 3: Cross multiply
445,756.88x = 614,994.84 × 254,634.92 - Step 4: Simplify right side
445,756.88x = 156,599,161,883.81 - Step 5: Solve for x
x = 156,599,161,883.81/445,756.88 - Step 6: Final answer
x = 351,310.70
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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.