Finding the Fourth Proportional to 391,578.76, 586,314.06 and 204,194.44
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Solution
The fourth proportional to 391,578.76, 586,314.06 and 204,194.44 is: 305,741.99
Step by Step Solution
- Step 1: Write the proportion equation
391,578.76 : 586,314.06 = 204,194.44 : x - Step 2: Convert to fraction form
391,578.76/586,314.06 = 204,194.44/x - Step 3: Cross multiply
391,578.76x = 586,314.06 × 204,194.44 - Step 4: Simplify right side
391,578.76x = 119,722,071,145.83 - Step 5: Solve for x
x = 119,722,071,145.83/391,578.76 - Step 6: Final answer
x = 305,741.99
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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.