Finding the Fourth Proportional to 331,207.68, 457,126.43 and 195,233.79
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Solution
The fourth proportional to 331,207.68, 457,126.43 and 195,233.79 is: 269,457.90
Step by Step Solution
- Step 1: Write the proportion equation
331,207.68 : 457,126.43 = 195,233.79 : x - Step 2: Convert to fraction form
331,207.68/457,126.43 = 195,233.79/x - Step 3: Cross multiply
331,207.68x = 457,126.43 × 195,233.79 - Step 4: Simplify right side
331,207.68x = 89,246,525,438.07 - Step 5: Solve for x
x = 89,246,525,438.07/331,207.68 - Step 6: Final answer
x = 269,457.90
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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.