Finding the Fourth Proportional to 314,207.91, 433,614.33 and 178,251.03
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Solution
The fourth proportional to 314,207.91, 433,614.33 and 178,251.03 is: 245,990.63
Step by Step Solution
- Step 1: Write the proportion equation
314,207.91 : 433,614.33 = 178,251.03 : x - Step 2: Convert to fraction form
314,207.91/433,614.33 = 178,251.03/x - Step 3: Cross multiply
314,207.91x = 433,614.33 × 178,251.03 - Step 4: Simplify right side
314,207.91x = 77,292,200,945.26 - Step 5: Solve for x
x = 77,292,200,945.26/314,207.91 - Step 6: Final answer
x = 245,990.63
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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.