Finding the Fourth Proportional to 456,045.97, 629,334.16 and 252,105.49
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Solution
The fourth proportional to 456,045.97, 629,334.16 and 252,105.49 is: 347,900.45
Step by Step Solution
- Step 1: Write the proportion equation
456,045.97 : 629,334.16 = 252,105.49 : x - Step 2: Convert to fraction form
456,045.97/629,334.16 = 252,105.49/x - Step 3: Cross multiply
456,045.97x = 629,334.16 × 252,105.49 - Step 4: Simplify right side
456,045.97x = 158,658,596,780.54 - Step 5: Solve for x
x = 158,658,596,780.54/456,045.97 - Step 6: Final answer
x = 347,900.45
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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.