Finding the Fourth Proportional to 190,859.40, 286,289.10 and 174,529.80
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Solution
The fourth proportional to 190,859.40, 286,289.10 and 174,529.80 is: 261,794.70
Step by Step Solution
- Step 1: Write the proportion equation
190,859.40 : 286,289.10 = 174,529.80 : x - Step 2: Convert to fraction form
190,859.40/286,289.10 = 174,529.80/x - Step 3: Cross multiply
190,859.40x = 286,289.10 × 174,529.80 - Step 4: Simplify right side
190,859.40x = 49,965,979,365.18 - Step 5: Solve for x
x = 49,965,979,365.18/190,859.40 - Step 6: Final answer
x = 261,794.70
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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.