Finding the Fourth Proportional to 279,135.18, 418,841.27 and 110,651.94
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Solution
The fourth proportional to 279,135.18, 418,841.27 and 110,651.94 is: 166,032.81
Step by Step Solution
- Step 1: Write the proportion equation
279,135.18 : 418,841.27 = 110,651.94 : x - Step 2: Convert to fraction form
279,135.18/418,841.27 = 110,651.94/x - Step 3: Cross multiply
279,135.18x = 418,841.27 × 110,651.94 - Step 4: Simplify right side
279,135.18x = 46,345,599,077.56 - Step 5: Solve for x
x = 46,345,599,077.56/279,135.18 - Step 6: Final answer
x = 166,032.81
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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.