Finding the Fourth Proportional to 279,759.39, 419,763.12 and 146,607.99
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Solution
The fourth proportional to 279,759.39, 419,763.12 and 146,607.99 is: 219,976.99
Step by Step Solution
- Step 1: Write the proportion equation
279,759.39 : 419,763.12 = 146,607.99 : x - Step 2: Convert to fraction form
279,759.39/419,763.12 = 146,607.99/x - Step 3: Cross multiply
279,759.39x = 419,763.12 × 146,607.99 - Step 4: Simplify right side
279,759.39x = 61,540,627,299.33 - Step 5: Solve for x
x = 61,540,627,299.33/279,759.39 - Step 6: Final answer
x = 219,976.99
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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.