Finding the Fourth Proportional to 331,425.05, 497,169.71 and 131,700.70
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Solution
The fourth proportional to 331,425.05, 497,169.71 and 131,700.70 is: 197,563.82
Step by Step Solution
- Step 1: Write the proportion equation
331,425.05 : 497,169.71 = 131,700.70 : x - Step 2: Convert to fraction form
331,425.05/497,169.71 = 131,700.70/x - Step 3: Cross multiply
331,425.05x = 497,169.71 × 131,700.70 - Step 4: Simplify right side
331,425.05x = 65,477,598,825.80 - Step 5: Solve for x
x = 65,477,598,825.80/331,425.05 - Step 6: Final answer
x = 197,563.82
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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.