Finding the Fourth Proportional to 496,622.70, 744,934.05 and 122,645.70
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Solution
The fourth proportional to 496,622.70, 744,934.05 and 122,645.70 is: 183,968.55
Step by Step Solution
- Step 1: Write the proportion equation
496,622.70 : 744,934.05 = 122,645.70 : x - Step 2: Convert to fraction form
496,622.70/744,934.05 = 122,645.70/x - Step 3: Cross multiply
496,622.70x = 744,934.05 × 122,645.70 - Step 4: Simplify right side
496,622.70x = 91,362,958,016.09 - Step 5: Solve for x
x = 91,362,958,016.09/496,622.70 - Step 6: Final answer
x = 183,968.55
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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.