Finding the Fourth Proportional to 496,261.51, 684,621.25 and 305,161.99
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Solution
The fourth proportional to 496,261.51, 684,621.25 and 305,161.99 is: 420,988.49
Step by Step Solution
- Step 1: Write the proportion equation
496,261.51 : 684,621.25 = 305,161.99 : x - Step 2: Convert to fraction form
496,261.51/684,621.25 = 305,161.99/x - Step 3: Cross multiply
496,261.51x = 684,621.25 × 305,161.99 - Step 4: Simplify right side
496,261.51x = 208,920,383,046.29 - Step 5: Solve for x
x = 208,920,383,046.29/496,261.51 - Step 6: Final answer
x = 420,988.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.