Finding the Fourth Proportional to 274,060.83, 378,205.46 and 153,207.21
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Solution
The fourth proportional to 274,060.83, 378,205.46 and 153,207.21 is: 211,426.79
Step by Step Solution
- Step 1: Write the proportion equation
274,060.83 : 378,205.46 = 153,207.21 : x - Step 2: Convert to fraction form
274,060.83/378,205.46 = 153,207.21/x - Step 3: Cross multiply
274,060.83x = 378,205.46 × 153,207.21 - Step 4: Simplify right side
274,060.83x = 57,943,802,387.85 - Step 5: Solve for x
x = 57,943,802,387.85/274,060.83 - Step 6: Final answer
x = 211,426.79
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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.