Finding the Fourth Proportional to 256,314.94, 353,518.04 and 154,233.99
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Solution
The fourth proportional to 256,314.94, 353,518.04 and 154,233.99 is: 212,724.62
Step by Step Solution
- Step 1: Write the proportion equation
256,314.94 : 353,518.04 = 154,233.99 : x - Step 2: Convert to fraction form
256,314.94/353,518.04 = 154,233.99/x - Step 3: Cross multiply
256,314.94x = 353,518.04 × 154,233.99 - Step 4: Simplify right side
256,314.94x = 54,524,497,846.18 - Step 5: Solve for x
x = 54,524,497,846.18/256,314.94 - Step 6: Final answer
x = 212,724.62
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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.