Finding the Fourth Proportional to 352,879.13, 486,966.19 and 191,735.33
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Solution
The fourth proportional to 352,879.13, 486,966.19 and 191,735.33 is: 264,590.95
Step by Step Solution
- Step 1: Write the proportion equation
352,879.13 : 486,966.19 = 191,735.33 : x - Step 2: Convert to fraction form
352,879.13/486,966.19 = 191,735.33/x - Step 3: Cross multiply
352,879.13x = 486,966.19 × 191,735.33 - Step 4: Simplify right side
352,879.13x = 93,368,625,304.63 - Step 5: Solve for x
x = 93,368,625,304.63/352,879.13 - Step 6: Final answer
x = 264,590.95
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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.