Finding the Fourth Proportional to 195,679.80, 293,519.70 and 133,471.80
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Solution
The fourth proportional to 195,679.80, 293,519.70 and 133,471.80 is: 200,207.70
Step by Step Solution
- Step 1: Write the proportion equation
195,679.80 : 293,519.70 = 133,471.80 : x - Step 2: Convert to fraction form
195,679.80/293,519.70 = 133,471.80/x - Step 3: Cross multiply
195,679.80x = 293,519.70 × 133,471.80 - Step 4: Simplify right side
195,679.80x = 39,176,602,694.46 - Step 5: Solve for x
x = 39,176,602,694.46/195,679.80 - Step 6: Final answer
x = 200,207.70
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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.