Finding the Fourth Proportional to 299,250.78, 412,966.09 and 191,821.02
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Solution
The fourth proportional to 299,250.78, 412,966.09 and 191,821.02 is: 264,713.02
Step by Step Solution
- Step 1: Write the proportion equation
299,250.78 : 412,966.09 = 191,821.02 : x - Step 2: Convert to fraction form
299,250.78/412,966.09 = 191,821.02/x - Step 3: Cross multiply
299,250.78x = 412,966.09 × 191,821.02 - Step 4: Simplify right side
299,250.78x = 79,215,576,609.21 - Step 5: Solve for x
x = 79,215,576,609.21/299,250.78 - Step 6: Final answer
x = 264,713.02
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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.