Finding the Fourth Proportional to 475,106.98, 655,658.19 and 271,153.84
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Solution
The fourth proportional to 475,106.98, 655,658.19 and 271,153.84 is: 374,198.32
Step by Step Solution
- Step 1: Write the proportion equation
475,106.98 : 655,658.19 = 271,153.84 : x - Step 2: Convert to fraction form
475,106.98/655,658.19 = 271,153.84/x - Step 3: Cross multiply
475,106.98x = 655,658.19 × 271,153.84 - Step 4: Simplify right side
475,106.98x = 177,784,235,945.95 - Step 5: Solve for x
x = 177,784,235,945.95/475,106.98 - Step 6: Final answer
x = 374,198.32
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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.