Finding the Fourth Proportional to 295,243.41, 407,631.99 and 227,140.23
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Solution
The fourth proportional to 295,243.41, 407,631.99 and 227,140.23 is: 313,604.37
Step by Step Solution
- Step 1: Write the proportion equation
295,243.41 : 407,631.99 = 227,140.23 : x - Step 2: Convert to fraction form
295,243.41/407,631.99 = 227,140.23/x - Step 3: Cross multiply
295,243.41x = 407,631.99 × 227,140.23 - Step 4: Simplify right side
295,243.41x = 92,589,623,963.96 - Step 5: Solve for x
x = 92,589,623,963.96/295,243.41 - Step 6: Final answer
x = 313,604.37
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1.5x scale
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.