Finding the Fourth Proportional to 361,064.50, 498,228.76 and 199,879.18
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Solution
The fourth proportional to 361,064.50, 498,228.76 and 199,879.18 is: 275,810.99
Step by Step Solution
- Step 1: Write the proportion equation
361,064.50 : 498,228.76 = 199,879.18 : x - Step 2: Convert to fraction form
361,064.50/498,228.76 = 199,879.18/x - Step 3: Cross multiply
361,064.50x = 498,228.76 × 199,879.18 - Step 4: Simplify right side
361,064.50x = 99,585,556,001.22 - Step 5: Solve for x
x = 99,585,556,001.22/361,064.50 - Step 6: Final answer
x = 275,810.99
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1.5x scale
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.