Finding the Fourth Proportional to 202,177.40, 302,828.70 and 131,318.60
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Solution
The fourth proportional to 202,177.40, 302,828.70 and 131,318.60 is: 196,693.80
Step by Step Solution
- Step 1: Write the proportion equation
202,177.40 : 302,828.70 = 131,318.60 : x - Step 2: Convert to fraction form
202,177.40/302,828.70 = 131,318.60/x - Step 3: Cross multiply
202,177.40x = 302,828.70 × 131,318.60 - Step 4: Simplify right side
202,177.40x = 39,767,040,923.82 - Step 5: Solve for x
x = 39,767,040,923.82/202,177.40 - Step 6: Final answer
x = 196,693.80
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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.