Finding the Fourth Proportional to 656,407.19, 984,610.49 and 207,173.09
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Solution
The fourth proportional to 656,407.19, 984,610.49 and 207,173.09 is: 310,759.54
Step by Step Solution
- Step 1: Write the proportion equation
656,407.19 : 984,610.49 = 207,173.09 : x - Step 2: Convert to fraction form
656,407.19/984,610.49 = 207,173.09/x - Step 3: Cross multiply
656,407.19x = 984,610.49 × 207,173.09 - Step 4: Simplify right side
656,407.19x = 203,984,799,085.38 - Step 5: Solve for x
x = 203,984,799,085.38/656,407.19 - Step 6: Final answer
x = 310,759.54
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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.