Finding the Fourth Proportional to 194,173.80, 291,260.70 and 131,965.80
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Solution
The fourth proportional to 194,173.80, 291,260.70 and 131,965.80 is: 197,948.70
Step by Step Solution
- Step 1: Write the proportion equation
194,173.80 : 291,260.70 = 131,965.80 : x - Step 2: Convert to fraction form
194,173.80/291,260.70 = 131,965.80/x - Step 3: Cross multiply
194,173.80x = 291,260.70 × 131,965.80 - Step 4: Simplify right side
194,173.80x = 38,436,451,284.06 - Step 5: Solve for x
x = 38,436,451,284.06/194,173.80 - Step 6: Final answer
x = 197,948.70
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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.