Finding the Fourth Proportional to 511,010.21, 705,037.99 and 296,108.75
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Solution
The fourth proportional to 511,010.21, 705,037.99 and 296,108.75 is: 408,539.62
Step by Step Solution
- Step 1: Write the proportion equation
511,010.21 : 705,037.99 = 296,108.75 : x - Step 2: Convert to fraction form
511,010.21/705,037.99 = 296,108.75/x - Step 3: Cross multiply
511,010.21x = 705,037.99 × 296,108.75 - Step 4: Simplify right side
511,010.21x = 208,767,917,921.41 - Step 5: Solve for x
x = 208,767,917,921.41/511,010.21 - Step 6: Final answer
x = 408,539.62
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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.