Finding the Fourth Proportional to 399,649.06, 599,459.70 and 100,132.18
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Solution
The fourth proportional to 399,649.06, 599,459.70 and 100,132.18 is: 150,194.79
Step by Step Solution
- Step 1: Write the proportion equation
399,649.06 : 599,459.70 = 100,132.18 : x - Step 2: Convert to fraction form
399,649.06/599,459.70 = 100,132.18/x - Step 3: Cross multiply
399,649.06x = 599,459.70 × 100,132.18 - Step 4: Simplify right side
399,649.06x = 60,025,206,583.15 - Step 5: Solve for x
x = 60,025,206,583.15/399,649.06 - Step 6: Final answer
x = 150,194.79
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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.