Finding the Fourth Proportional to 428,752.44, 591,664.10 and 237,779.96
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Solution
The fourth proportional to 428,752.44, 591,664.10 and 237,779.96 is: 328,128.42
Step by Step Solution
- Step 1: Write the proportion equation
428,752.44 : 591,664.10 = 237,779.96 : x - Step 2: Convert to fraction form
428,752.44/591,664.10 = 237,779.96/x - Step 3: Cross multiply
428,752.44x = 591,664.10 × 237,779.96 - Step 4: Simplify right side
428,752.44x = 140,685,861,884.22 - Step 5: Solve for x
x = 140,685,861,884.22/428,752.44 - Step 6: Final answer
x = 328,128.42
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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.