Finding the Fourth Proportional to 321,872.70, 482,806.65 and 97,232.70
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Solution
The fourth proportional to 321,872.70, 482,806.65 and 97,232.70 is: 145,848.32
Step by Step Solution
- Step 1: Write the proportion equation
321,872.70 : 482,806.65 = 97,232.70 : x - Step 2: Convert to fraction form
321,872.70/482,806.65 = 97,232.70/x - Step 3: Cross multiply
321,872.70x = 482,806.65 × 97,232.70 - Step 4: Simplify right side
321,872.70x = 46,944,594,157.46 - Step 5: Solve for x
x = 46,944,594,157.46/321,872.70 - Step 6: Final answer
x = 145,848.32
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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.