Finding the Fourth Proportional to 536,863.68, 804,704.99 and 221,148.36
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Solution
The fourth proportional to 536,863.68, 804,704.99 and 221,148.36 is: 331,479.28
Step by Step Solution
- Step 1: Write the proportion equation
536,863.68 : 804,704.99 = 221,148.36 : x - Step 2: Convert to fraction form
536,863.68/804,704.99 = 221,148.36/x - Step 3: Cross multiply
536,863.68x = 804,704.99 × 221,148.36 - Step 4: Simplify right side
536,863.68x = 177,959,187,716.58 - Step 5: Solve for x
x = 177,959,187,716.58/536,863.68 - Step 6: Final answer
x = 331,479.28
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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.