Finding the Fourth Proportional to 196,579.19, 294,368.49 and 129,919.43
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Solution
The fourth proportional to 196,579.19, 294,368.49 and 129,919.43 is: 194,548.50
Step by Step Solution
- Step 1: Write the proportion equation
196,579.19 : 294,368.49 = 129,919.43 : x - Step 2: Convert to fraction form
196,579.19/294,368.49 = 129,919.43/x - Step 3: Cross multiply
196,579.19x = 294,368.49 × 129,919.43 - Step 4: Simplify right side
196,579.19x = 38,244,184,958.92 - Step 5: Solve for x
x = 38,244,184,958.92/196,579.19 - Step 6: Final answer
x = 194,548.50
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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.