Finding the Fourth Proportional to 656,883.23, 985,239.95 and 207,649.44
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Solution
The fourth proportional to 656,883.23, 985,239.95 and 207,649.44 is: 311,447.32
Step by Step Solution
- Step 1: Write the proportion equation
656,883.23 : 985,239.95 = 207,649.44 : x - Step 2: Convert to fraction form
656,883.23/985,239.95 = 207,649.44/x - Step 3: Cross multiply
656,883.23x = 985,239.95 × 207,649.44 - Step 4: Simplify right side
656,883.23x = 204,584,522,844.88 - Step 5: Solve for x
x = 204,584,522,844.88/656,883.23 - Step 6: Final answer
x = 311,447.32
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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.