Finding the Fourth Proportional to 811,824.36, 1,217,593.98 and 250,863.72
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Solution
The fourth proportional to 811,824.36, 1,217,593.98 and 250,863.72 is: 376,251.53
Step by Step Solution
- Step 1: Write the proportion equation
811,824.36 : 1,217,593.98 = 250,863.72 : x - Step 2: Convert to fraction form
811,824.36/1,217,593.98 = 250,863.72/x - Step 3: Cross multiply
811,824.36x = 1,217,593.98 × 250,863.72 - Step 4: Simplify right side
811,824.36x = 305,450,155,272.41 - Step 5: Solve for x
x = 305,450,155,272.41/811,824.36 - Step 6: Final answer
x = 376,251.53
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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.