Finding the Fourth Proportional to 511,193.70, 705,450.21 and 296,461.14
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Solution
The fourth proportional to 511,193.70, 705,450.21 and 296,461.14 is: 409,118.06
Step by Step Solution
- Step 1: Write the proportion equation
511,193.70 : 705,450.21 = 296,461.14 : x - Step 2: Convert to fraction form
511,193.70/705,450.21 = 296,461.14/x - Step 3: Cross multiply
511,193.70x = 705,450.21 × 296,461.14 - Step 4: Simplify right side
511,193.70x = 209,138,573,469.84 - Step 5: Solve for x
x = 209,138,573,469.84/511,193.70 - Step 6: Final answer
x = 409,118.06
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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.