Finding the Fourth Proportional to 252,722.79, 348,473.11 and 206,638.65
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Solution
The fourth proportional to 252,722.79, 348,473.11 and 206,638.65 is: 284,928.85
Step by Step Solution
- Step 1: Write the proportion equation
252,722.79 : 348,473.11 = 206,638.65 : x - Step 2: Convert to fraction form
252,722.79/348,473.11 = 206,638.65/x - Step 3: Cross multiply
252,722.79x = 348,473.11 × 206,638.65 - Step 4: Simplify right side
252,722.79x = 72,008,013,011.70 - Step 5: Solve for x
x = 72,008,013,011.70/252,722.79 - Step 6: Final answer
x = 284,928.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.