Finding the Fourth Proportional to 438,817.14, 658,463.85 and 186,239.70
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Solution
The fourth proportional to 438,817.14, 658,463.85 and 186,239.70 is: 279,460.62
Step by Step Solution
- Step 1: Write the proportion equation
438,817.14 : 658,463.85 = 186,239.70 : x - Step 2: Convert to fraction form
438,817.14/658,463.85 = 186,239.70/x - Step 3: Cross multiply
438,817.14x = 658,463.85 × 186,239.70 - Step 4: Simplify right side
438,817.14x = 122,632,109,884.85 - Step 5: Solve for x
x = 122,632,109,884.85/438,817.14 - Step 6: Final answer
x = 279,460.62
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1.5x scale
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.