Finding the Fourth Proportional to 314,896.01, 434,213.46 and 212,744.07
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Solution
The fourth proportional to 314,896.01, 434,213.46 and 212,744.07 is: 293,355.07
Step by Step Solution
- Step 1: Write the proportion equation
314,896.01 : 434,213.46 = 212,744.07 : x - Step 2: Convert to fraction form
314,896.01/434,213.46 = 212,744.07/x - Step 3: Cross multiply
314,896.01x = 434,213.46 × 212,744.07 - Step 4: Simplify right side
314,896.01x = 92,376,338,729.18 - Step 5: Solve for x
x = 92,376,338,729.18/314,896.01 - Step 6: Final answer
x = 293,355.07
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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.