Finding the Fourth Proportional to 206,679.13, 310,020.36 and 56,927.68
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Solution
The fourth proportional to 206,679.13, 310,020.36 and 56,927.68 is: 85,391.97
Step by Step Solution
- Step 1: Write the proportion equation
206,679.13 : 310,020.36 = 56,927.68 : x - Step 2: Convert to fraction form
206,679.13/310,020.36 = 56,927.68/x - Step 3: Cross multiply
206,679.13x = 310,020.36 × 56,927.68 - Step 4: Simplify right side
206,679.13x = 17,648,738,859.04 - Step 5: Solve for x
x = 17,648,738,859.04/206,679.13 - Step 6: Final answer
x = 85,391.97
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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.