Finding the Fourth Proportional to 305,090.85, 457,631.37 and 94,728.99
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Solution
The fourth proportional to 305,090.85, 457,631.37 and 94,728.99 is: 142,091.96
Step by Step Solution
- Step 1: Write the proportion equation
305,090.85 : 457,631.37 = 94,728.99 : x - Step 2: Convert to fraction form
305,090.85/457,631.37 = 94,728.99/x - Step 3: Cross multiply
305,090.85x = 457,631.37 × 94,728.99 - Step 4: Simplify right side
305,090.85x = 43,350,957,472.42 - Step 5: Solve for x
x = 43,350,957,472.42/305,090.85 - Step 6: Final answer
x = 142,091.96
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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.