Finding the Fourth Proportional to 279,532.17, 419,255.28 and 153,234.99
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Solution
The fourth proportional to 279,532.17, 419,255.28 and 153,234.99 is: 229,828.93
Step by Step Solution
- Step 1: Write the proportion equation
279,532.17 : 419,255.28 = 153,234.99 : x - Step 2: Convert to fraction form
279,532.17/419,255.28 = 153,234.99/x - Step 3: Cross multiply
279,532.17x = 419,255.28 × 153,234.99 - Step 4: Simplify right side
279,532.17x = 64,244,578,638.25 - Step 5: Solve for x
x = 64,244,578,638.25/279,532.17 - Step 6: Final answer
x = 229,828.93
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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.