Finding the Fourth Proportional to 227,317.21, 340,532.95 and 138,350.05
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Solution
The fourth proportional to 227,317.21, 340,532.95 and 138,350.05 is: 207,255.54
Step by Step Solution
- Step 1: Write the proportion equation
227,317.21 : 340,532.95 = 138,350.05 : x - Step 2: Convert to fraction form
227,317.21/340,532.95 = 138,350.05/x - Step 3: Cross multiply
227,317.21x = 340,532.95 × 138,350.05 - Step 4: Simplify right side
227,317.21x = 47,112,751,510.48 - Step 5: Solve for x
x = 47,112,751,510.48/227,317.21 - Step 6: Final answer
x = 207,255.54
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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.