Finding the Fourth Proportional to 190,887.40, 286,331.10 and 183,629.80
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Solution
The fourth proportional to 190,887.40, 286,331.10 and 183,629.80 is: 275,444.70
Step by Step Solution
- Step 1: Write the proportion equation
190,887.40 : 286,331.10 = 183,629.80 : x - Step 2: Convert to fraction form
190,887.40/286,331.10 = 183,629.80/x - Step 3: Cross multiply
190,887.40x = 286,331.10 × 183,629.80 - Step 4: Simplify right side
190,887.40x = 52,578,922,626.78 - Step 5: Solve for x
x = 52,578,922,626.78/190,887.40 - Step 6: Final answer
x = 275,444.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.