Finding the Fourth Proportional to 791,644.84, 1,187,352.06 and 230,528.68
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Solution
The fourth proportional to 791,644.84, 1,187,352.06 and 230,528.68 is: 345,759.47
Step by Step Solution
- Step 1: Write the proportion equation
791,644.84 : 1,187,352.06 = 230,528.68 : x - Step 2: Convert to fraction form
791,644.84/1,187,352.06 = 230,528.68/x - Step 3: Cross multiply
791,644.84x = 1,187,352.06 × 230,528.68 - Step 4: Simplify right side
791,644.84x = 273,718,703,087.08 - Step 5: Solve for x
x = 273,718,703,087.08/791,644.84 - Step 6: Final answer
x = 345,759.47
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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.