Finding the Fourth Proportional to 638,046.06, 880,542.86 and 351,566.07
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Solution
The fourth proportional to 638,046.06, 880,542.86 and 351,566.07 is: 485,182.83
Step by Step Solution
- Step 1: Write the proportion equation
638,046.06 : 880,542.86 = 351,566.07 : x - Step 2: Convert to fraction form
638,046.06/880,542.86 = 351,566.07/x - Step 3: Cross multiply
638,046.06x = 880,542.86 × 351,566.07 - Step 4: Simplify right side
638,046.06x = 309,568,992,756.76 - Step 5: Solve for x
x = 309,568,992,756.76/638,046.06 - Step 6: Final answer
x = 485,182.83
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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.