Finding the Fourth Proportional to 455,959.45, 629,256.60 and 252,005.99
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Solution
The fourth proportional to 455,959.45, 629,256.60 and 252,005.99 is: 347,786.26
Step by Step Solution
- Step 1: Write the proportion equation
455,959.45 : 629,256.60 = 252,005.99 : x - Step 2: Convert to fraction form
455,959.45/629,256.60 = 252,005.99/x - Step 3: Cross multiply
455,959.45x = 629,256.60 × 252,005.99 - Step 4: Simplify right side
455,959.45x = 158,576,428,040.72 - Step 5: Solve for x
x = 158,576,428,040.72/455,959.45 - Step 6: Final answer
x = 347,786.26
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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.