Finding the Fourth Proportional to 190,798.18, 286,245.60 and 134,747.80
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Solution
The fourth proportional to 190,798.18, 286,245.60 and 134,747.80 is: 202,155.83
Step by Step Solution
- Step 1: Write the proportion equation
190,798.18 : 286,245.60 = 134,747.80 : x - Step 2: Convert to fraction form
190,798.18/286,245.60 = 134,747.80/x - Step 3: Cross multiply
190,798.18x = 286,245.60 × 134,747.80 - Step 4: Simplify right side
190,798.18x = 38,570,964,859.68 - Step 5: Solve for x
x = 38,570,964,859.68/190,798.18 - Step 6: Final answer
x = 202,155.83
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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.