Finding the Fourth Proportional to 685,932.26, 1,028,951.60 and 206,122.58
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Solution
The fourth proportional to 685,932.26, 1,028,951.60 and 206,122.58 is: 309,199.86
Step by Step Solution
- Step 1: Write the proportion equation
685,932.26 : 1,028,951.60 = 206,122.58 : x - Step 2: Convert to fraction form
685,932.26/1,028,951.60 = 206,122.58/x - Step 3: Cross multiply
685,932.26x = 1,028,951.60 × 206,122.58 - Step 4: Simplify right side
685,932.26x = 212,090,158,487.13 - Step 5: Solve for x
x = 212,090,158,487.13/685,932.26 - Step 6: Final answer
x = 309,199.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.