Finding the Fourth Proportional to 201,677.84, 278,304.84 and 111,016.09
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Solution
The fourth proportional to 201,677.84, 278,304.84 and 111,016.09 is: 153,196.38
Step by Step Solution
- Step 1: Write the proportion equation
201,677.84 : 278,304.84 = 111,016.09 : x - Step 2: Convert to fraction form
201,677.84/278,304.84 = 111,016.09/x - Step 3: Cross multiply
201,677.84x = 278,304.84 × 111,016.09 - Step 4: Simplify right side
201,677.84x = 30,896,314,469.11 - Step 5: Solve for x
x = 30,896,314,469.11/201,677.84 - Step 6: Final answer
x = 153,196.38
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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.