Finding the Fourth Proportional to 200,955.84, 277,262.28 and 129,377.28
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Solution
The fourth proportional to 200,955.84, 277,262.28 and 129,377.28 is: 178,504.09
Step by Step Solution
- Step 1: Write the proportion equation
200,955.84 : 277,262.28 = 129,377.28 : x - Step 2: Convert to fraction form
200,955.84/277,262.28 = 129,377.28/x - Step 3: Cross multiply
200,955.84x = 277,262.28 × 129,377.28 - Step 4: Simplify right side
200,955.84x = 35,871,439,633.00 - Step 5: Solve for x
x = 35,871,439,633.00/200,955.84 - Step 6: Final answer
x = 178,504.09
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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.