Finding the Fourth Proportional to 369,664.75, 510,138.57 and 199,900.09
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Solution
The fourth proportional to 369,664.75, 510,138.57 and 199,900.09 is: 275,862.78
Step by Step Solution
- Step 1: Write the proportion equation
369,664.75 : 510,138.57 = 199,900.09 : x - Step 2: Convert to fraction form
369,664.75/510,138.57 = 199,900.09/x - Step 3: Cross multiply
369,664.75x = 510,138.57 × 199,900.09 - Step 4: Simplify right side
369,664.75x = 101,976,746,055.47 - Step 5: Solve for x
x = 101,976,746,055.47/369,664.75 - Step 6: Final answer
x = 275,862.78
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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.