Finding the Fourth Proportional to 221,671.43, 332,553.92 and 71,900.09
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Solution
The fourth proportional to 221,671.43, 332,553.92 and 71,900.09 is: 107,865.31
Step by Step Solution
- Step 1: Write the proportion equation
221,671.43 : 332,553.92 = 71,900.09 : x - Step 2: Convert to fraction form
221,671.43/332,553.92 = 71,900.09/x - Step 3: Cross multiply
221,671.43x = 332,553.92 × 71,900.09 - Step 4: Simplify right side
221,671.43x = 23,910,657,249.74 - Step 5: Solve for x
x = 23,910,657,249.74/221,671.43 - Step 6: Final answer
x = 107,865.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.