Finding the Fourth Proportional to 347,079.75, 520,668.99 and 107,214.03
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Solution
The fourth proportional to 347,079.75, 520,668.99 and 107,214.03 is: 160,836.29
Step by Step Solution
- Step 1: Write the proportion equation
347,079.75 : 520,668.99 = 107,214.03 : x - Step 2: Convert to fraction form
347,079.75/520,668.99 = 107,214.03/x - Step 3: Cross multiply
347,079.75x = 520,668.99 × 107,214.03 - Step 4: Simplify right side
347,079.75x = 55,823,020,713.93 - Step 5: Solve for x
x = 55,823,020,713.93/347,079.75 - Step 6: Final answer
x = 160,836.29
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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.