Finding the Fourth Proportional to 532,236.21, 734,376.33 and 305,837.97
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Solution
The fourth proportional to 532,236.21, 734,376.33 and 305,837.97 is: 421,993.40
Step by Step Solution
- Step 1: Write the proportion equation
532,236.21 : 734,376.33 = 305,837.97 : x - Step 2: Convert to fraction form
532,236.21/734,376.33 = 305,837.97/x - Step 3: Cross multiply
532,236.21x = 734,376.33 × 305,837.97 - Step 4: Simplify right side
532,236.21x = 224,600,165,983.25 - Step 5: Solve for x
x = 224,600,165,983.25/532,236.21 - Step 6: Final answer
x = 421,993.40
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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.