Finding the Fourth Proportional to 186,213.88, 278,782.21 and 166,984.68
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Solution
The fourth proportional to 186,213.88, 278,782.21 and 166,984.68 is: 249,994.03
Step by Step Solution
- Step 1: Write the proportion equation
186,213.88 : 278,782.21 = 166,984.68 : x - Step 2: Convert to fraction form
186,213.88/278,782.21 = 166,984.68/x - Step 3: Cross multiply
186,213.88x = 278,782.21 × 166,984.68 - Step 4: Simplify right side
186,213.88x = 46,552,358,126.54 - Step 5: Solve for x
x = 46,552,358,126.54/186,213.88 - Step 6: Final answer
x = 249,994.03
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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.