Finding the Fourth Proportional to 486,070.26, 670,790.73 and 271,205.71
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Solution
The fourth proportional to 486,070.26, 670,790.73 and 271,205.71 is: 374,271.56
Step by Step Solution
- Step 1: Write the proportion equation
486,070.26 : 670,790.73 = 271,205.71 : x - Step 2: Convert to fraction form
486,070.26/670,790.73 = 271,205.71/x - Step 3: Cross multiply
486,070.26x = 670,790.73 × 271,205.71 - Step 4: Simplify right side
486,070.26x = 181,922,276,191.07 - Step 5: Solve for x
x = 181,922,276,191.07/486,070.26 - Step 6: Final answer
x = 374,271.56
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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.