Finding the Fourth Proportional to 743,560.05, 1,115,340.71 and 203,822.20
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Solution
The fourth proportional to 743,560.05, 1,115,340.71 and 203,822.20 is: 305,733.47
Step by Step Solution
- Step 1: Write the proportion equation
743,560.05 : 1,115,340.71 = 203,822.20 : x - Step 2: Convert to fraction form
743,560.05/1,115,340.71 = 203,822.20/x - Step 3: Cross multiply
743,560.05x = 1,115,340.71 × 203,822.20 - Step 4: Simplify right side
743,560.05x = 227,331,194,929.87 - Step 5: Solve for x
x = 227,331,194,929.87/743,560.05 - Step 6: Final answer
x = 305,733.47
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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.