Finding the Fourth Proportional to 201,603.28, 278,210.41 and 110,957.29
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Solution
The fourth proportional to 201,603.28, 278,210.41 and 110,957.29 is: 153,119.90
Step by Step Solution
- Step 1: Write the proportion equation
201,603.28 : 278,210.41 = 110,957.29 : x - Step 2: Convert to fraction form
201,603.28/278,210.41 = 110,957.29/x - Step 3: Cross multiply
201,603.28x = 278,210.41 × 110,957.29 - Step 4: Simplify right side
201,603.28x = 30,869,473,143.39 - Step 5: Solve for x
x = 30,869,473,143.39/201,603.28 - Step 6: Final answer
x = 153,119.90
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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.