Finding the Fourth Proportional to 201,603.04, 278,207.06 and 109,718.44
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Solution
The fourth proportional to 201,603.04, 278,207.06 and 109,718.44 is: 151,408.65
Step by Step Solution
- Step 1: Write the proportion equation
201,603.04 : 278,207.06 = 109,718.44 : x - Step 2: Convert to fraction form
201,603.04/278,207.06 = 109,718.44/x - Step 3: Cross multiply
201,603.04x = 278,207.06 × 109,718.44 - Step 4: Simplify right side
201,603.04x = 30,524,444,620.19 - Step 5: Solve for x
x = 30,524,444,620.19/201,603.04 - Step 6: Final answer
x = 151,408.65
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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.