Finding the Fourth Proportional to 279,451.22, 417,889.23 and 207,539.92
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Solution
The fourth proportional to 279,451.22, 417,889.23 and 207,539.92 is: 310,353.62
Step by Step Solution
- Step 1: Write the proportion equation
279,451.22 : 417,889.23 = 207,539.92 : x - Step 2: Convert to fraction form
279,451.22/417,889.23 = 207,539.92/x - Step 3: Cross multiply
279,451.22x = 417,889.23 × 207,539.92 - Step 4: Simplify right side
279,451.22x = 86,728,697,107.15 - Step 5: Solve for x
x = 86,728,697,107.15/279,451.22 - Step 6: Final answer
x = 310,353.62
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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.