Finding the Fourth Proportional to 380,524.46, 525,476.74 and 284,865.08
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Solution
The fourth proportional to 380,524.46, 525,476.74 and 284,865.08 is: 393,378.06
Step by Step Solution
- Step 1: Write the proportion equation
380,524.46 : 525,476.74 = 284,865.08 : x - Step 2: Convert to fraction form
380,524.46/525,476.74 = 284,865.08/x - Step 3: Cross multiply
380,524.46x = 525,476.74 × 284,865.08 - Step 4: Simplify right side
380,524.46x = 149,689,973,578.24 - Step 5: Solve for x
x = 149,689,973,578.24/380,524.46 - Step 6: Final answer
x = 393,378.06
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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.