Finding the Fourth Proportional to 331,212.60, 496,901.70 and 106,594.20
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Solution
The fourth proportional to 331,212.60, 496,901.70 and 106,594.20 is: 159,917.95
Step by Step Solution
- Step 1: Write the proportion equation
331,212.60 : 496,901.70 = 106,594.20 : x - Step 2: Convert to fraction form
331,212.60/496,901.70 = 106,594.20/x - Step 3: Cross multiply
331,212.60x = 496,901.70 × 106,594.20 - Step 4: Simplify right side
331,212.60x = 52,966,839,190.14 - Step 5: Solve for x
x = 52,966,839,190.14/331,212.60 - Step 6: Final answer
x = 159,917.95
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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.