Finding the Fourth Proportional to 279,441.44, 385,629.23 and 152,117.99
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Solution
The fourth proportional to 279,441.44, 385,629.23 and 152,117.99 is: 209,922.85
Step by Step Solution
- Step 1: Write the proportion equation
279,441.44 : 385,629.23 = 152,117.99 : x - Step 2: Convert to fraction form
279,441.44/385,629.23 = 152,117.99/x - Step 3: Cross multiply
279,441.44x = 385,629.23 × 152,117.99 - Step 4: Simplify right side
279,441.44x = 58,661,143,352.85 - Step 5: Solve for x
x = 58,661,143,352.85/279,441.44 - Step 6: Final answer
x = 209,922.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.