Finding the Fourth Proportional to 279,641.06, 419,418.29 and 153,343.62
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Solution
The fourth proportional to 279,641.06, 419,418.29 and 153,343.62 is: 229,991.69
Step by Step Solution
- Step 1: Write the proportion equation
279,641.06 : 419,418.29 = 153,343.62 : x - Step 2: Convert to fraction form
279,641.06/419,418.29 = 153,343.62/x - Step 3: Cross multiply
279,641.06x = 419,418.29 × 153,343.62 - Step 4: Simplify right side
279,641.06x = 64,315,118,116.09 - Step 5: Solve for x
x = 64,315,118,116.09/279,641.06 - Step 6: Final answer
x = 229,991.69
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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.