Finding the Fourth Proportional to 286,187.06, 394,918.38 and 158,852.63
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Solution
The fourth proportional to 286,187.06, 394,918.38 and 158,852.63 is: 219,205.66
Step by Step Solution
- Step 1: Write the proportion equation
286,187.06 : 394,918.38 = 158,852.63 : x - Step 2: Convert to fraction form
286,187.06/394,918.38 = 158,852.63/x - Step 3: Cross multiply
286,187.06x = 394,918.38 × 158,852.63 - Step 4: Simplify right side
286,187.06x = 62,733,821,323.75 - Step 5: Solve for x
x = 62,733,821,323.75/286,187.06 - Step 6: Final answer
x = 219,205.66
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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.