Finding the Fourth Proportional to 279,599.08, 419,464.86 and 121,855.72
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Solution
The fourth proportional to 279,599.08, 419,464.86 and 121,855.72 is: 182,812.45
Step by Step Solution
- Step 1: Write the proportion equation
279,599.08 : 419,464.86 = 121,855.72 : x - Step 2: Convert to fraction form
279,599.08/419,464.86 = 121,855.72/x - Step 3: Cross multiply
279,599.08x = 419,464.86 × 121,855.72 - Step 4: Simplify right side
279,599.08x = 51,114,192,530.00 - Step 5: Solve for x
x = 51,114,192,530.00/279,599.08 - Step 6: Final answer
x = 182,812.45
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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.