Finding the Fourth Proportional to 331,604.74, 497,037.75 and 131,871.70
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Solution
The fourth proportional to 331,604.74, 497,037.75 and 131,871.70 is: 197,660.66
Step by Step Solution
- Step 1: Write the proportion equation
331,604.74 : 497,037.75 = 131,871.70 : x - Step 2: Convert to fraction form
331,604.74/497,037.75 = 131,871.70/x - Step 3: Cross multiply
331,604.74x = 497,037.75 × 131,871.70 - Step 4: Simplify right side
331,604.74x = 65,545,213,056.68 - Step 5: Solve for x
x = 65,545,213,056.68/331,604.74 - Step 6: Final answer
x = 197,660.66
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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.