Finding the Fourth Proportional to 331,204.68, 457,122.29 and 195,230.79
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Solution
The fourth proportional to 331,204.68, 457,122.29 and 195,230.79 is: 269,453.76
Step by Step Solution
- Step 1: Write the proportion equation
331,204.68 : 457,122.29 = 195,230.79 : x - Step 2: Convert to fraction form
331,204.68/457,122.29 = 195,230.79/x - Step 3: Cross multiply
331,204.68x = 457,122.29 × 195,230.79 - Step 4: Simplify right side
331,204.68x = 89,244,344,827.16 - Step 5: Solve for x
x = 89,244,344,827.16/331,204.68 - Step 6: Final answer
x = 269,453.76
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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.