Finding the Fourth Proportional to 279,763.39, 419,769.13 and 146,611.99
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Solution
The fourth proportional to 279,763.39, 419,769.13 and 146,611.99 is: 219,982.99
Step by Step Solution
- Step 1: Write the proportion equation
279,763.39 : 419,769.13 = 146,611.99 : x - Step 2: Convert to fraction form
279,763.39/419,769.13 = 146,611.99/x - Step 3: Cross multiply
279,763.39x = 419,769.13 × 146,611.99 - Step 4: Simplify right side
279,763.39x = 61,543,187,489.87 - Step 5: Solve for x
x = 61,543,187,489.87/279,763.39 - Step 6: Final answer
x = 219,982.99
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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.