Finding the Fourth Proportional to 456,043.47, 629,330.72 and 252,102.98
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Solution
The fourth proportional to 456,043.47, 629,330.72 and 252,102.98 is: 347,896.99
Step by Step Solution
- Step 1: Write the proportion equation
456,043.47 : 629,330.72 = 252,102.98 : x - Step 2: Convert to fraction form
456,043.47/629,330.72 = 252,102.98/x - Step 3: Cross multiply
456,043.47x = 629,330.72 × 252,102.98 - Step 4: Simplify right side
456,043.47x = 158,656,150,230.36 - Step 5: Solve for x
x = 158,656,150,230.36/456,043.47 - Step 6: Final answer
x = 347,896.99
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1.5x scale
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.