Finding the Fourth Proportional to 334,743.49, 461,716.75 and 213,831.09
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Solution
The fourth proportional to 334,743.49, 461,716.75 and 213,831.09 is: 294,940.45
Step by Step Solution
- Step 1: Write the proportion equation
334,743.49 : 461,716.75 = 213,831.09 : x - Step 2: Convert to fraction form
334,743.49/461,716.75 = 213,831.09/x - Step 3: Cross multiply
334,743.49x = 461,716.75 × 213,831.09 - Step 4: Simplify right side
334,743.49x = 98,729,395,923.76 - Step 5: Solve for x
x = 98,729,395,923.76/334,743.49 - Step 6: Final answer
x = 294,940.45
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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.