Finding the Fourth Proportional to 440,824.64, 661,299.24 and 141,235.14
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Solution
The fourth proportional to 440,824.64, 661,299.24 and 141,235.14 is: 211,872.66
Step by Step Solution
- Step 1: Write the proportion equation
440,824.64 : 661,299.24 = 141,235.14 : x - Step 2: Convert to fraction form
440,824.64/661,299.24 = 141,235.14/x - Step 3: Cross multiply
440,824.64x = 661,299.24 × 141,235.14 - Step 4: Simplify right side
440,824.64x = 93,398,690,743.29 - Step 5: Solve for x
x = 93,398,690,743.29/440,824.64 - Step 6: Final answer
x = 211,872.66
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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.