Finding the Fourth Proportional to 279,768.39, 419,776.62 and 146,616.99
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Solution
The fourth proportional to 279,768.39, 419,776.62 and 146,616.99 is: 219,990.49
Step by Step Solution
- Step 1: Write the proportion equation
279,768.39 : 419,776.62 = 146,616.99 : x - Step 2: Convert to fraction form
279,768.39/419,776.62 = 146,616.99/x - Step 3: Cross multiply
279,768.39x = 419,776.62 × 146,616.99 - Step 4: Simplify right side
279,768.39x = 61,546,384,496.77 - Step 5: Solve for x
x = 61,546,384,496.77/279,768.39 - Step 6: Final answer
x = 219,990.49
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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.